Tools

Cost Basis Calculator

Track multiple buys across exchanges. Get your true average cost basis, unrealized P&L, and partial sale analysis under FIFO, LIFO, or HIFO.

Coin / Token

Current Price (USD)

Accounting Method

Buy Lots

Date	Quantity	Price / Coin (USD)	Fees (USD)	Exchange	Cost
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CSV Import Format

date,quantity,price_per_coin,fees_usd,exchange
2022-01-15,1000,0.75,2.50,Coinbase
2022-06-01,500,0.38,1.25,Kraken

Note: Starting in 2025, the IRS requires per-wallet basis tracking rather than pooled basis across exchanges. This calculator uses pooled basis for simplicity — consult a tax professional for per-wallet tracking. Fees added to cost basis are IRS-correct for reducing gains.

Break-Even Calculator →Tax Liability Estimator →