Crypto tools

Calculate Ethereum transaction gas fees in ETH and USD. Enter gas units, gas price in Gwei, and ETH price to estimate the cost of any on-chain transaction.

Calculate crypto profit, loss, and ROI for any trade. Enter buy price, sell price, quantity, and fees to see your net gain or loss in USD and percentage.

Calculate your DCA results: total invested, average cost basis, portfolio value, and ROI for any recurring crypto investment. Compare DCA vs lump sum.

Estimate US federal capital gains tax on a crypto sale. Enter purchase price, sale price, holding period, and tax bracket. Illustrative — not tax advice.

Calculate cryptocurrency staking rewards with compound interest. Enter staked amount, APY, compounding frequency, and duration for ETH, SOL, or any staking.

Convert between Bitcoin units (BTC, mBTC, Satoshi) and Ethereum units (ETH, Gwei, Wei) instantly. Exact integer arithmetic for Wei. No signup required.