{
  "version": "https://jsonfeed.org/version/1.1",
  "title": "Calculator Matters — New & Updated Calculators",
  "home_page_url": "https://calculatormatters.com/",
  "feed_url": "https://calculatormatters.com/feed.json",
  "description": "Formula-backed calculators for finance, investing, tax, budget, business, economics, math, health, time & date, and home & energy — every new calculator as it's published, with the real publish date.",
  "icon": "https://calculatormatters.com/opengraph-image",
  "language": "en-US",
  "items": [
    {
      "id": "https://calculatormatters.com/economics/deadweight-loss-calculator/",
      "url": "https://calculatormatters.com/economics/deadweight-loss-calculator/",
      "title": "Deadweight Loss Calculator",
      "summary": "Size the welfare triangle a per-unit tax destroys, alongside the tax revenue it actually raises.",
      "date_published": "2026-08-18T00:00:00Z",
      "date_modified": "2026-08-18T00:00:00Z",
      "tags": [
        "Economics",
        "Surplus & Welfare"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/producer-surplus-calculator/",
      "url": "https://calculatormatters.com/economics/producer-surplus-calculator/",
      "title": "Producer Surplus Calculator",
      "summary": "Find the value sellers gain above their minimum acceptable price, from the market price and quantity sold.",
      "date_published": "2026-08-18T00:00:00Z",
      "date_modified": "2026-08-18T00:00:00Z",
      "tags": [
        "Economics",
        "Surplus & Welfare"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/consumer-surplus-calculator/",
      "url": "https://calculatormatters.com/economics/consumer-surplus-calculator/",
      "title": "Consumer Surplus Calculator",
      "summary": "Find the value buyers gain above what they pay, from the choke price, market price, and quantity sold.",
      "date_published": "2026-08-18T00:00:00Z",
      "date_modified": "2026-08-18T00:00:00Z",
      "tags": [
        "Economics",
        "Surplus & Welfare"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/comparative-advantage-calculator/",
      "url": "https://calculatormatters.com/economics/comparative-advantage-calculator/",
      "title": "Comparative Advantage Calculator",
      "summary": "Find comparative and absolute advantage between two producers and two goods, plus the mutually beneficial trade range.",
      "date_published": "2026-08-16T00:00:00Z",
      "date_modified": "2026-08-16T00:00:00Z",
      "tags": [
        "Economics",
        "Trade Theory"
      ]
    },
    {
      "id": "https://calculatormatters.com/math/tip-calculator/",
      "url": "https://calculatormatters.com/math/tip-calculator/",
      "title": "Tip Calculator",
      "summary": "Calculate the tip amount, total bill, and per-person share for restaurants, bars, delivery, and other services.",
      "date_published": "2026-08-16T00:00:00Z",
      "date_modified": "2026-08-16T00:00:00Z",
      "tags": [
        "Math & Statistics",
        "Percentages"
      ]
    },
    {
      "id": "https://calculatormatters.com/investing/real-estate-investment-calculator/",
      "url": "https://calculatormatters.com/investing/real-estate-investment-calculator/",
      "title": "Real Estate Investment Calculator",
      "summary": "Total ROI on a rental property from cash flow, principal paydown, and appreciation, with annualized return and cash-on-cash.",
      "date_published": "2026-08-16T00:00:00Z",
      "date_modified": "2026-08-16T00:00:00Z",
      "tags": [
        "Investing",
        "Real Estate"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/freelancer-vs-employee-calculator/",
      "url": "https://calculatormatters.com/finance/freelancer-vs-employee-calculator/",
      "title": "Freelancer vs Employee Calculator",
      "summary": "Find the freelance hourly or day rate needed to match a target employee salary, after tax, benefits, and unbillable time.",
      "date_published": "2026-08-16T00:00:00Z",
      "date_modified": "2026-08-16T00:00:00Z",
      "tags": [
        "Finance",
        "Salary"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/uae-gratuity-calculator/",
      "url": "https://calculatormatters.com/finance/uae-gratuity-calculator/",
      "title": "UAE Gratuity Calculator",
      "summary": "Estimate UAE end-of-service gratuity from basic salary and years of service, using the 21/30-day MOHRE formula.",
      "date_published": "2026-08-16T00:00:00Z",
      "date_modified": "2026-08-16T00:00:00Z",
      "tags": [
        "Finance",
        "Salary"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/gratuity-calculator/",
      "url": "https://calculatormatters.com/finance/gratuity-calculator/",
      "title": "Gratuity Calculator",
      "summary": "Estimate India gratuity payable from last drawn salary and years of service, using the 15/26 formula.",
      "date_published": "2026-08-16T00:00:00Z",
      "date_modified": "2026-08-16T00:00:00Z",
      "tags": [
        "Finance",
        "Salary"
      ]
    },
    {
      "id": "https://calculatormatters.com/budget/debt-payoff-vs-investing-calculator/",
      "url": "https://calculatormatters.com/budget/debt-payoff-vs-investing-calculator/",
      "title": "Debt Payoff vs Investing Calculator",
      "summary": "Compare ending net worth from paying extra toward a debt first against investing that money instead.",
      "date_published": "2026-08-15T00:00:00Z",
      "date_modified": "2026-08-15T00:00:00Z",
      "tags": [
        "Budget & Credit",
        "Debt Payoff"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/debt-consolidation-calculator/",
      "url": "https://calculatormatters.com/finance/debt-consolidation-calculator/",
      "title": "Debt Consolidation Calculator",
      "summary": "Compare your existing debts against one new consolidation loan — monthly payment, payoff time, and total interest.",
      "date_published": "2026-08-15T00:00:00Z",
      "date_modified": "2026-08-15T00:00:00Z",
      "tags": [
        "Finance",
        "Loans"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/car-lease-vs-buy-calculator/",
      "url": "https://calculatormatters.com/finance/car-lease-vs-buy-calculator/",
      "title": "Car Lease vs Buy Calculator",
      "summary": "Compare ending wealth from leasing a car against buying it — monthly payment, car equity, and invested savings.",
      "date_published": "2026-08-15T00:00:00Z",
      "date_modified": "2026-08-15T00:00:00Z",
      "tags": [
        "Finance",
        "Loans"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/rent-vs-buy-calculator/",
      "url": "https://calculatormatters.com/finance/rent-vs-buy-calculator/",
      "title": "Rent vs Buy Calculator",
      "summary": "Compare ending wealth from buying a home against renting and investing the difference, over the years you plan to stay.",
      "date_published": "2026-08-15T00:00:00Z",
      "date_modified": "2026-08-15T00:00:00Z",
      "tags": [
        "Finance",
        "Mortgages"
      ]
    },
    {
      "id": "https://calculatormatters.com/home-energy/fence-calculator/",
      "url": "https://calculatormatters.com/home-energy/fence-calculator/",
      "title": "Fence Calculator",
      "summary": "Calculate fence posts, rails, and pickets from length, height, and spacing, or estimate wood, vinyl, or chain-link materials, cost, and stain needed.",
      "date_published": "2026-08-06T00:00:00Z",
      "date_modified": "2026-08-06T00:00:00Z",
      "tags": [
        "Home & Energy",
        "Fencing"
      ]
    },
    {
      "id": "https://calculatormatters.com/home-energy/decking-calculator/",
      "url": "https://calculatormatters.com/home-energy/decking-calculator/",
      "title": "Decking Calculator",
      "summary": "Calculate decking boards, joists, and screws or hidden clips needed for any deck — in feet/inches or metres/millimetres — plus an optional material cost estimate.",
      "date_published": "2026-08-06T00:00:00Z",
      "date_modified": "2026-08-06T00:00:00Z",
      "tags": [
        "Home & Energy",
        "Exterior"
      ]
    },
    {
      "id": "https://calculatormatters.com/home-energy/roofing-calculator/",
      "url": "https://calculatormatters.com/home-energy/roofing-calculator/",
      "title": "Roofing Calculator",
      "summary": "Calculate roof area, pitch, and roofing squares from a footprint, or estimate shingle bundles, metal sheets and weight, or flat-membrane materials and cost.",
      "date_published": "2026-08-06T00:00:00Z",
      "date_modified": "2026-08-06T00:00:00Z",
      "tags": [
        "Home & Energy",
        "Roofing"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/ddp-vs-dap-calculator/",
      "url": "https://calculatormatters.com/business/ddp-vs-dap-calculator/",
      "title": "DDP vs DAP Cost Calculator",
      "summary": "Compare landed cost under DAP and DDP Incoterms — what the buyer pays upfront vs. at delivery, and the DDP handling fee.",
      "date_published": "2026-08-06T00:00:00Z",
      "date_modified": "2026-08-06T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Operations & Tools"
      ]
    },
    {
      "id": "https://calculatormatters.com/tax/import-duty-calculator/",
      "url": "https://calculatormatters.com/tax/import-duty-calculator/",
      "title": "Global Import Duty Calculator",
      "summary": "Estimate customs duty, tax, and total landed cost for any country, or India’s Basic Customs Duty, Social Welfare Surcharge, and IGST cascade.",
      "date_published": "2026-08-06T00:00:00Z",
      "date_modified": "2026-08-06T00:00:00Z",
      "tags": [
        "Tax",
        "Import & Customs Duty"
      ]
    },
    {
      "id": "https://calculatormatters.com/home-energy/insulation-calculator/",
      "url": "https://calculatormatters.com/home-energy/insulation-calculator/",
      "title": "Insulation Calculator",
      "summary": "Calculate insulation depth and quantity — loose-fill bags, batt/roll/board packages, or spray-foam board-feet — plus R-value achieved and an optional cost estimate.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Home & Energy",
        "Insulation"
      ]
    },
    {
      "id": "https://calculatormatters.com/home-energy/gutter-calculator/",
      "url": "https://calculatormatters.com/home-energy/gutter-calculator/",
      "title": "Gutter Calculator",
      "summary": "Size gutters and downspouts from roof area and rainfall intensity (SMACNA, AS/NZS 3500.3, or BS EN 12056-3), or estimate materials and cost from a gutter run length.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Home & Energy",
        "Gutters & Drainage"
      ]
    },
    {
      "id": "https://calculatormatters.com/home-energy/solar-panel-roof-fit-calculator/",
      "url": "https://calculatormatters.com/home-energy/solar-panel-roof-fit-calculator/",
      "title": "Solar Panel Roof-Fit Calculator",
      "summary": "Estimate how many solar panels fit your roof, the system size in kW, yearly generation, and cost, incentive, and payback for India, the USA, the UK, or any country.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Home & Energy",
        "Solar"
      ]
    },
    {
      "id": "https://calculatormatters.com/time-date/days-calculator/",
      "url": "https://calculatormatters.com/time-date/days-calculator/",
      "title": "Days Calculator",
      "summary": "Count days between two dates, add or subtract days, or count business days excluding weekends and holidays, with a full calendar breakdown.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-07T00:00:00Z",
      "tags": [
        "Time & Date",
        "Date Calculations"
      ]
    },
    {
      "id": "https://calculatormatters.com/time-date/time-percentage-calculator/",
      "url": "https://calculatormatters.com/time-date/time-percentage-calculator/",
      "title": "Time Percentage Calculator",
      "summary": "Work out what percentage one span of time is of another, or the percentage increase or decrease between an old and a new duration.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Time & Date",
        "Time Calculations"
      ]
    },
    {
      "id": "https://calculatormatters.com/time-date/age-calculator/",
      "url": "https://calculatormatters.com/time-date/age-calculator/",
      "title": "Age Calculator",
      "summary": "Calculate exact age in years, months, and days from a birth date, with total days lived, day born, a next-birthday countdown, and Excel/SQL/code formula examples.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Time & Date",
        "Date & Age"
      ]
    },
    {
      "id": "https://calculatormatters.com/time-date/timesheet-calculator/",
      "url": "https://calculatormatters.com/time-date/timesheet-calculator/",
      "title": "Timesheet Calculator",
      "summary": "Calculate hours worked across a week, two weeks, or a month from clock-in and clock-out times, with lunch-break deduction, overtime, and an Excel export.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Time & Date",
        "Work Hours"
      ]
    },
    {
      "id": "https://calculatormatters.com/time-date/timezone-converter/",
      "url": "https://calculatormatters.com/time-date/timezone-converter/",
      "title": "Time Zone Converter",
      "summary": "Convert a date and time between EST, IST, GMT, UTC, CET, PST, or any IANA time zone, with live daylight-saving handling and a multi-zone world clock view.",
      "date_published": "2026-08-05T00:00:00Z",
      "date_modified": "2026-08-05T00:00:00Z",
      "tags": [
        "Time & Date",
        "Time Zones"
      ]
    },
    {
      "id": "https://calculatormatters.com/health/calorie-deficit-calculator/",
      "url": "https://calculatormatters.com/health/calorie-deficit-calculator/",
      "title": "Calorie Deficit Calculator",
      "summary": "Calculate a daily calorie deficit and an adaptive weight-loss timeline range from your TDEE, with a safety-floor warning and a scenario comparison.",
      "date_published": "2026-07-21T00:00:00Z",
      "date_modified": "2026-07-21T00:00:00Z",
      "tags": [
        "Health",
        "Weight Management"
      ]
    },
    {
      "id": "https://calculatormatters.com/health/tdee-calculator/",
      "url": "https://calculatormatters.com/health/tdee-calculator/",
      "title": "TDEE Calculator",
      "summary": "Estimate BMR, TDEE and daily calorie needs with the Mifflin-St Jeor equation, a maintenance range, and calorie scenarios for losing, maintaining, or gaining weight.",
      "date_published": "2026-07-21T00:00:00Z",
      "date_modified": "2026-07-21T00:00:00Z",
      "tags": [
        "Health",
        "Energy & Metabolism"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/ai-agent-cost-calculator/",
      "url": "https://calculatormatters.com/business/ai-agent-cost-calculator/",
      "title": "AI Agent Cost Calculator",
      "summary": "Model per-attempt AI cost, retries, tool calls, caching, and human review to find the real cost per successful task.",
      "date_published": "2026-07-16T00:00:00Z",
      "date_modified": "2026-07-16T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Operations & Tools"
      ]
    },
    {
      "id": "https://calculatormatters.com/health/bmi-calculator/",
      "url": "https://calculatormatters.com/health/bmi-calculator/",
      "title": "BMI Calculator",
      "summary": "Calculate BMI in metric or imperial units, see your adult category and healthy-weight range, with clear limitations and a separate under-18 result.",
      "date_published": "2026-07-14T00:00:00Z",
      "date_modified": "2026-07-14T00:00:00Z",
      "tags": [
        "Health",
        "Body Measurement"
      ]
    },
    {
      "id": "https://calculatormatters.com/math/scientific-calculator/",
      "url": "https://calculatormatters.com/math/scientific-calculator/",
      "title": "Scientific Calculator",
      "summary": "Trigonometry, logarithms, powers, roots, and factorials with correct order of operations, memory registers, history, and keyboard entry.",
      "date_published": "2026-06-15T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Math & Statistics",
        "Basic Math"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/market-equilibrium-calculator/",
      "url": "https://calculatormatters.com/economics/market-equilibrium-calculator/",
      "title": "Market Equilibrium Calculator",
      "summary": "Solve equilibrium price and quantity from linear demand and supply, with surplus, a shift simulator, and tax incidence.",
      "date_published": "2026-06-14T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Economics",
        "Supply & Demand"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/marginal-utility-calculator/",
      "url": "https://calculatormatters.com/economics/marginal-utility-calculator/",
      "title": "Marginal Utility Calculator",
      "summary": "Turn a utility table into total and marginal utility and utility per dollar, and find the satiation point.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Economics",
        "Consumer Choice"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/opportunity-cost-calculator/",
      "url": "https://calculatormatters.com/economics/opportunity-cost-calculator/",
      "title": "Opportunity Cost Calculator",
      "summary": "Compare two choices to see net value, opportunity cost, explicit vs implicit costs, and risk-adjusted scenarios.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Economics",
        "Decision Analysis"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/diminishing-returns-calculator/",
      "url": "https://calculatormatters.com/economics/diminishing-returns-calculator/",
      "title": "Diminishing Returns Calculator",
      "summary": "Turn input-output data into total, marginal, and average product and find the point of diminishing returns.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Economics",
        "Production"
      ]
    },
    {
      "id": "https://calculatormatters.com/math/standard-deviation-calculator/",
      "url": "https://calculatormatters.com/math/standard-deviation-calculator/",
      "title": "Standard Deviation Calculator",
      "summary": "Sample and population standard deviation, plus variance, mean, median, quartiles, z-scores, outliers, and confidence intervals.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Math & Statistics",
        "Statistics"
      ]
    },
    {
      "id": "https://calculatormatters.com/math/percentage-change-calculator/",
      "url": "https://calculatormatters.com/math/percentage-change-calculator/",
      "title": "Percentage Change Calculator",
      "summary": "Work out percentage increase or decrease, reverse change, loss recovery, percentage points, multi-period change, and CAGR.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Math & Statistics",
        "Percentages"
      ]
    },
    {
      "id": "https://calculatormatters.com/math/percentage-calculator/",
      "url": "https://calculatormatters.com/math/percentage-calculator/",
      "title": "Percentage Calculator",
      "summary": "Solve X% of Y, what percent X is of Y, reverse percentage, increase/decrease, discounts, and tax, tip, or commission.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Math & Statistics",
        "Percentages"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/price-elasticity-of-demand-calculator/",
      "url": "https://calculatormatters.com/business/price-elasticity-of-demand-calculator/",
      "title": "Price Elasticity of Demand Calculator",
      "summary": "Measure price elasticity of demand (midpoint and simple PED) and test how a price change affects revenue and profit.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Pricing & Margin"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/ltv-cac-calculator/",
      "url": "https://calculatormatters.com/business/ltv-cac-calculator/",
      "title": "LTV:CAC Calculator",
      "summary": "Calculate CAC, discounted LTV, the LTV:CAC ratio, and CAC payback, with channel-by-channel decisions and scenarios.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Marketing"
      ]
    },
    {
      "id": "https://calculatormatters.com/economics/financial-needs-pyramid-calculator/",
      "url": "https://calculatormatters.com/economics/financial-needs-pyramid-calculator/",
      "title": "Financial Needs Pyramid Calculator",
      "summary": "Score five layers of your financial foundation — survival, safety, support, growth, and freedom — with a stress test and what-if simulator.",
      "date_published": "2026-06-13T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Economics",
        "Financial Well-being & Planning"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/break-even-roas-calculator/",
      "url": "https://calculatormatters.com/business/break-even-roas-calculator/",
      "title": "Break-Even ROAS Calculator",
      "summary": "Work out break-even and target ROAS from your real margins, plus max CAC, break-even MER, and ad budgets.",
      "date_published": "2026-06-12T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Marketing"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/ecommerce-profit-calculator/",
      "url": "https://calculatormatters.com/business/ecommerce-profit-calculator/",
      "title": "Ecommerce Profit Calculator",
      "summary": "See net profit per order after product costs, fees, shipping, ads, and returns, with break-even price and ROAS.",
      "date_published": "2026-06-12T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Pricing & Margin"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/break-even-calculator/",
      "url": "https://calculatormatters.com/business/break-even-calculator/",
      "title": "Break-Even Calculator",
      "summary": "Find units and revenue break-even, contribution margin, target profit, and margin of safety, with sensitivity tables and a chart.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Pricing & Margin"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/markup-calculator/",
      "url": "https://calculatormatters.com/business/markup-calculator/",
      "title": "Markup Calculator",
      "summary": "Price from cost across nine modes — markup, target margin, reverse cost ceilings, and ecommerce landed cost after fees.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Pricing & Margin"
      ]
    },
    {
      "id": "https://calculatormatters.com/business/profit-margin-calculator/",
      "url": "https://calculatormatters.com/business/profit-margin-calculator/",
      "title": "Profit Margin Calculator",
      "summary": "Work out gross, contribution, operating, and net margin, with target pricing, break-even, scenarios, and SKU comparison.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Business & Ecommerce",
        "Pricing & Margin"
      ]
    },
    {
      "id": "https://calculatormatters.com/budget/credit-card-payoff-calculator/",
      "url": "https://calculatormatters.com/budget/credit-card-payoff-calculator/",
      "title": "Credit Card Payoff Calculator",
      "summary": "Plan up to 20 cards with issuer-style minimums, promo APRs, five payoff orders, and a balance-transfer scenario.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Budget & Credit",
        "Credit Cards"
      ]
    },
    {
      "id": "https://calculatormatters.com/budget/debt-payoff-calculator/",
      "url": "https://calculatormatters.com/budget/debt-payoff-calculator/",
      "title": "Debt Payoff Calculator",
      "summary": "Simulate up to 20 debts with snowball, avalanche, custom, or hybrid payoff order and find your debt-free date.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Budget & Credit",
        "Debt Payoff"
      ]
    },
    {
      "id": "https://calculatormatters.com/budget/net-worth-calculator/",
      "url": "https://calculatormatters.com/budget/net-worth-calculator/",
      "title": "Net Worth Calculator",
      "summary": "Build a personal balance sheet — quick or 78-line detailed — with liquid and tangible net worth and debt analysis.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Budget & Credit",
        "Budgeting"
      ]
    },
    {
      "id": "https://calculatormatters.com/budget/50-30-20-budget-calculator/",
      "url": "https://calculatormatters.com/budget/50-30-20-budget-calculator/",
      "title": "50/30/20 Budget Calculator",
      "summary": "Split take-home pay into 50% needs, 30% wants, and 20% savings, compare your real spending, and test alternative ratios.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Budget & Credit",
        "Budgeting"
      ]
    },
    {
      "id": "https://calculatormatters.com/budget/budget-calculator/",
      "url": "https://calculatormatters.com/budget/budget-calculator/",
      "title": "Budget Calculator",
      "summary": "Build a monthly and annual budget in simple or 65-line advanced mode, with savings rate, ratios, and a health score.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Budget & Credit",
        "Budgeting"
      ]
    },
    {
      "id": "https://calculatormatters.com/tax/take-home-pay-calculator/",
      "url": "https://calculatormatters.com/tax/take-home-pay-calculator/",
      "title": "Salary & Take-Home Pay Calculator",
      "summary": "Estimate take-home pay with sourced payroll models for the US, India, UK, Canada, and Australia, plus a net-to-gross solver.",
      "date_published": "2026-06-11T00:00:00Z",
      "date_modified": "2026-07-02T00:00:00Z",
      "tags": [
        "Tax",
        "Income & Payroll"
      ]
    },
    {
      "id": "https://calculatormatters.com/tax/vat-calculator/",
      "url": "https://calculatormatters.com/tax/vat-calculator/",
      "title": "VAT/GST Calculator",
      "summary": "Add or remove VAT, GST, or HST from a price, solve tax-inclusive and tax-exclusive values, and build mixed-rate invoices.",
      "date_published": "2026-06-10T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Tax",
        "Sales Tax & VAT"
      ]
    },
    {
      "id": "https://calculatormatters.com/tax/income-tax-calculator/",
      "url": "https://calculatormatters.com/tax/income-tax-calculator/",
      "title": "Income Tax Calculator",
      "summary": "Estimate income tax with custom progressive bands, a sourced US federal mode, refund or amount owed, and scenario comparison.",
      "date_published": "2026-06-10T00:00:00Z",
      "date_modified": "2026-06-20T00:00:00Z",
      "tags": [
        "Tax",
        "Income & Payroll"
      ]
    },
    {
      "id": "https://calculatormatters.com/investing/dividend-reinvestment-calculator/",
      "url": "https://calculatormatters.com/investing/dividend-reinvestment-calculator/",
      "title": "Dividend Reinvestment Calculator",
      "summary": "Model DRIP vs cash dividends, after-tax reinvestment, yield on cost, and a dividend income goal solver.",
      "date_published": "2026-06-10T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Investing",
        "Dividends"
      ]
    },
    {
      "id": "https://calculatormatters.com/investing/roi-calculator/",
      "url": "https://calculatormatters.com/investing/roi-calculator/",
      "title": "ROI Calculator",
      "summary": "Simple, date-based, and net ROI with annualised ROI (CAGR), a reverse target solver, and a two-investment comparison.",
      "date_published": "2026-06-10T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Investing",
        "Returns"
      ]
    },
    {
      "id": "https://calculatormatters.com/investing/investment-calculator/",
      "url": "https://calculatormatters.com/investing/investment-calculator/",
      "title": "Investment Calculator",
      "summary": "Project lump-sum and regular-contribution growth, plan a goal, and solve future vs present value, with fees and inflation.",
      "date_published": "2026-06-09T00:00:00Z",
      "date_modified": "2026-06-22T00:00:00Z",
      "tags": [
        "Investing",
        "Growth"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/401k-calculator/",
      "url": "https://calculatormatters.com/finance/401k-calculator/",
      "title": "401(k) Calculator",
      "summary": "Project a 401(k) balance with employer match, 2026 IRS limits, fees, inflation, and a match maximiser.",
      "date_published": "2026-06-09T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Finance",
        "Retirement & Planning"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/retirement-calculator/",
      "url": "https://calculatormatters.com/finance/retirement-calculator/",
      "title": "Retirement Calculator",
      "summary": "Project your retirement pot from current savings, contributions, and growth, and gauge whether it meets your goal.",
      "date_published": "2026-06-09T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Finance",
        "Retirement & Planning"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/savings-calculator/",
      "url": "https://calculatormatters.com/finance/savings-calculator/",
      "title": "Savings Calculator",
      "summary": "Project a savings balance or solve the deposit needed for a goal, with APR/APY, tax, and inflation.",
      "date_published": "2026-06-09T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Finance",
        "Interest & Savings"
      ]
    },
    {
      "id": "https://calculatormatters.com/investing/retirement-withdrawal-calculator/",
      "url": "https://calculatormatters.com/investing/retirement-withdrawal-calculator/",
      "title": "Retirement Withdrawal Calculator",
      "summary": "Estimate how long savings last under regular withdrawals (SWP) — drawdown, safe withdrawal rate, inflation, and a year-by-year schedule.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Investing",
        "Growth"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/apr-calculator/",
      "url": "https://calculatormatters.com/finance/apr-calculator/",
      "title": "APR Calculator",
      "summary": "Turn a loan rate plus fees into the true annual percentage rate so you can compare offers on equal terms.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Finance",
        "Loans"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/auto-loan-calculator/",
      "url": "https://calculatormatters.com/finance/auto-loan-calculator/",
      "title": "Auto Loan Calculator",
      "summary": "Calculate a car-loan payment from price, down payment, trade-in, rate, and term, including the total cost of financing.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Finance",
        "Loans"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/personal-loan-calculator/",
      "url": "https://calculatormatters.com/finance/personal-loan-calculator/",
      "title": "Personal Loan Calculator",
      "summary": "Estimate repayments on an unsecured personal loan and see how the rate and term change what you pay overall.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Finance",
        "Loans"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/loan-calculator/",
      "url": "https://calculatormatters.com/finance/loan-calculator/",
      "title": "Loan Calculator",
      "summary": "Work out the monthly payment, total interest, and payoff date for any fixed-rate loan from the amount, rate, and term.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-20T00:00:00Z",
      "tags": [
        "Finance",
        "Loans"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/amortization-calculator/",
      "url": "https://calculatormatters.com/finance/amortization-calculator/",
      "title": "Amortization Schedule Calculator",
      "summary": "Build a full payment-by-payment schedule showing how each instalment splits between principal and interest.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Finance",
        "Mortgages"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/mortgage-refinance-calculator/",
      "url": "https://calculatormatters.com/finance/mortgage-refinance-calculator/",
      "title": "Mortgage Refinance Calculator",
      "summary": "Compare your current mortgage to a new rate and term — monthly saving and break-even time on closing costs.",
      "date_published": "2026-06-08T00:00:00Z",
      "date_modified": "2026-06-14T00:00:00Z",
      "tags": [
        "Finance",
        "Mortgages"
      ]
    },
    {
      "id": "https://calculatormatters.com/investing/regular-investment-calculator/",
      "url": "https://calculatormatters.com/investing/regular-investment-calculator/",
      "title": "Regular Investment Calculator",
      "summary": "Project how regular monthly contributions grow over time — SIP-style investing, dollar-cost averaging, inflation-adjusted value, and long-term goals.",
      "date_published": "2026-06-07T00:00:00Z",
      "date_modified": "2026-06-15T00:00:00Z",
      "tags": [
        "Investing",
        "Growth"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/mortgage-calculator/",
      "url": "https://calculatormatters.com/finance/mortgage-calculator/",
      "title": "Mortgage Calculator",
      "summary": "Estimate monthly payments, interest, taxes, insurance, PMI, and amortization using practical home-loan assumptions.",
      "date_published": "2026-06-07T00:00:00Z",
      "date_modified": "2026-08-08T00:00:00Z",
      "tags": [
        "Finance",
        "Mortgages"
      ]
    },
    {
      "id": "https://calculatormatters.com/finance/compound-interest-calculator/",
      "url": "https://calculatormatters.com/finance/compound-interest-calculator/",
      "title": "Compound Interest Calculator",
      "summary": "See how savings grow as interest earns interest, with adjustable contributions and compounding frequency.",
      "date_published": "2026-06-05T00:00:00Z",
      "date_modified": "2026-06-10T00:00:00Z",
      "tags": [
        "Finance",
        "Interest & Savings"
      ]
    }
  ]
}