CoinCrunch

Free crypto calculators for profit, DCA, cost basis, staking and capital-gains tax.

CoinCrunch is a free set of crypto calculators that run entirely in your browser — work out profit and loss after fees, average your cost basis across many buys, model dollar-cost averaging, estimate staking rewards, and estimate capital-gains tax under 2026 rules for the US, UK, Canada and Australia. No sign-up, no tracking of your numbers, just the math. Results are estimates for general information, not financial or tax advice.

Calculators

Crypto Profit & Loss Calculator

Work out your net profit or loss on a crypto trade after buy and sell fees.

Crypto DCA (Dollar-Cost Averaging) Calculator

See how regular fixed-amount buys build a position and what your average entry price becomes.

Crypto Average Cost & Cost-Basis Calculator

Combine multiple buys into a single average cost per coin and total cost basis.

Crypto Staking & Yield (APY) Calculator

Estimate staking rewards over time from an APY, with optional compounding.

Crypto Capital-Gains Tax Estimator

Estimate capital-gains tax on a crypto disposal for the US, UK, Canada or Australia using 2026 rules.

Position Size & 'What If I'd Invested' Calculator

Size a position from your risk budget, or see what a past investment would be worth today.

Per-coin guides

Bitcoin (BTC): How to Calculate Profit, Cost Basis & Tax

A practical guide to calculating Bitcoin gains, average cost and capital-gains tax.

Ethereum (ETH): Profit, Staking & Tax Calculations

How to calculate Ethereum gains, staking rewards and the tax on both.

Solana (SOL): Profit, Staking & Tax Calculations

Calculating Solana gains, staking rewards and capital-gains tax.

Learn the math

Our blog explains the concepts behind the tools: how crypto capital-gains tax works, dollar-cost averaging, calculating cost basis, staking and taxes, short vs long-term gains, and the most common crypto tax mistakes.

What this site is

CoinCrunch publishes fast, free, genuinely-useful calculators and reference guides in the crypto calculators and tax math space. Every page is static, loads instantly, and links its sources. See our methodology for how the figures are produced and our disclaimer on the limits of these estimates.