Tools · Cost Basis Tracker

Bitcoin cost basis,
tracked in your browser.

Log your purchases. See your weighted average cost basis, total BTCBitcoin (BTC)The ticker symbol for Bitcoin, used on exchanges and in price quotes.Full definition held, unrealized gain or loss, and break-even price. Your numbers stay on your device. Nothing is sent anywhere.

ADD A PURCHASE

Data stays in your browser via localStorage. Nothing is sent to any server.

TOTAL BTC
0
TOTAL INVESTED
$0
AVG COST BASIS
$0
PORTFOLIO VALUE
$0
GAIN/LOSS
$0
PURCHASE HISTORY
Date Spent Price BTC Value
What this tool assumes
  • Weighted average cost basis is used (vs. FIFO, LIFO, or specific-lot).
  • You may be able to specify lots for tax purposes; consult a CPA.

Not financial advice. Data stored in browser localStorage only.

Related

→ Bitcoin Taxes → Dollar-Cost Averaging → Tax-Loss Harvesting Calculator
HOW THIS IS CALCULATED

This tool runs entirely in your browser — no data is sent to any server. All formulas use standard financial math. Verify the methodology or inspect the source code in your browser's dev tools.