Tools

Cost Basis Calculator

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

Coin / token

Current price (USD)

Accounting method

Buy lots

Date	Quantity	Price / coin (USD)	Fees (USD)	Exchange	Cost	Remove
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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 are added to cost basis in these calculations.

Educational only. Not financial, investment, tax, or legal advice. Do your own research. Read the full disclaimer.