Investment

Bitcoin Return Calculator

Start from the amount you put in rather than the coins you hold, and see what that position is worth now.

What you invested, at what price, and where it is now

The investment

Cash you put in, in your local currency.

Bitcoin price when you bought.

Today, and the fee you paid

Current or assumed bitcoin price.

%

Purchase fee charged by the exchange.

Current Value

7,960.00

BTC held times the current price.

Formula verified 13 September 2026

Profit / Loss

2,960.00

Current value minus amount invested.

Return

59.20%

Profit divided by amount invested.

BTC Held

0.199000

Net of the buy fee, divided by the buy price.

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Projection only — not investment advice; returns are not guaranteed. Read the full disclaimer ↓

Amount Invested vs Profit

Add your numbers to see the visual breakdown.

Estimates only — not financial, tax, or professional advice.

100% private — every number you enter is calculated in your browser and never sent to our servers.

What it calculates: Current Value, Profit / Loss, Return, BTC Held.

Updated 5 June 2026 · Transparent assumptions

Working from money invested rather than quantity held

Nobody thinks in eight decimal places. The natural question is what a given sum put in at a given price is worth today, so this derives the quantity for you — the money invested, less the entry fee, divided by the price paid.

That fee deduction matters at the front. Taking the fee off before converting to coins is what an exchange actually does, and skipping it slightly overstates the position from the first day onward.

Why the percentage is lower than the price change

The return here compares the current value with the full amount invested, including the fee. So if the price doubles and you paid 1% to enter, the return is not 100% — it is closer to 98%, because part of your money never bought any coins.

That is the honest measure. Reporting the return against the post-fee amount flatters the result by quietly excluding a cost you genuinely paid.

The number is true for one price, and that price moves

This values the position at whatever current price you enter. Bitcoin has repeatedly moved by double-digit percentages within a single day, so a figure computed this morning can be materially wrong by the evening.

It also says nothing about the path. Two positions showing the same return today may have had entirely different drawdowns along the way, and the deeper one was considerably harder to hold.

Exit costs, custody, and the tax that is not modelled here

The current value is an unrealised figure. Selling costs a fee on the way out, and moving coins between wallets or off an exchange costs network charges that scale with congestion rather than with your position size.

Tax is not applied. Most jurisdictions tax a disposal, several at rates specific to crypto, and a few disallow offsetting losses against other gains — so the after-tax result on a realised position can be considerably below the number here.

Sources & References

Figures on this page are checked against primary, authoritative sources. Links open in a new tab.

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Investment disclaimer

Returns are assumptions, not guarantees. Actual results may vary because of market performance, taxes, fees, inflation, and timing. This is an educational projection, not investment advice.

How we calculate · Found an error? email us

Authorship & verification

Written and maintained by , a business operator who builds spreadsheet-based calculators.

What's changed (3 updates)

Published 13 September 2026

  1. Published the calculator with its formula, worked example, assumptions, limitations and a bespoke guide, and added an automated formula test suite covering it.
  2. Tested the quantity derived from the amount invested net of fee, and the current value and return that follow from it.
  3. Tested that the return is measured against the full amount invested including the fee, not the post-fee amount.

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