Changelog

What changed in June 2026

36 calculators recorded a change this month. The full history for any one of them is on its own page, under "What's changed".

Investment Calculator

Last reviewed 22 June 2026

Added a "use this vs. another calculator" guide, neutralised scenario wording, and refreshed the review date.

7updates in all, on the calculator's own page

Loan Calculator

Last reviewed 20 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Income Tax Calculator

Last reviewed 20 June 2026

Reviewed the formula and assumptions for accuracy.

7updates in all, on the calculator's own page

Savings Calculator

Last reviewed 15 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Retirement Calculator

Last reviewed 15 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Regular Investment Calculator

Last reviewed 15 June 2026

Reviewed the projection formula for accuracy.

3updates in all, on the calculator's own page

Retirement Withdrawal Calculator

Last reviewed 15 June 2026

Reviewed the drawdown mechanics for accuracy.

3updates in all, on the calculator's own page

Dividend Reinvestment Calculator

Last reviewed 15 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Standard Deviation Calculator

Last reviewed 15 June 2026

Reviewed every formula against Excel/HyperFormula for accuracy.

3updates in all, on the calculator's own page

Scientific Calculator

Last reviewed 15 June 2026

Reviewed order-of-operations and domain handling for accuracy.

3updates in all, on the calculator's own page

Mortgage Refinance Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Amortization Schedule Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Personal Loan Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Auto Loan Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

APR Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

401(k) Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Financial Needs Pyramid Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

6updates in all, on the calculator's own page

VAT/GST Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Budget Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

50/30/20 Budget Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Net Worth Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Debt Payoff Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Credit Card Payoff Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Profit Margin Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Markup Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Break-Even Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

6updates in all, on the calculator's own page

Ecommerce Profit Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Break-Even ROAS Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

LTV:CAC Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Price Elasticity of Demand Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Percentage Change Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Diminishing Returns Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

6updates in all, on the calculator's own page

Opportunity Cost Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

4updates in all, on the calculator's own page

Marginal Utility Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

5updates in all, on the calculator's own page

Market Equilibrium Calculator

Last reviewed 14 June 2026

Reviewed the formula and assumptions for accuracy.

6updates in all, on the calculator's own page

Compound Interest Calculator

Last reviewed 10 June 2026

Reviewed the formula and assumptions for accuracy.

3updates in all, on the calculator's own page