All calculators

Every tool runs live in your browser on documented formulas — filter by what you're trying to figure out.

Bitcoin Retirement Calculator How much BTC you need to retire, under three scenarios Wealth planning Crypto 401(k) Calculator Model a capped crypto allocation vs. 100% stocks — with a real backtest Wealth planning DCA Calculator Backtest recurring buys on 10 coins with real price history Wealth planning What If I Bought What a past investment would be worth today, peak included Wealth planning Crypto Tax Calculator US, UK, Germany, Australia, Canada & India estimators Tax estimation Staking Calculator Rewards for 20 proof-of-stake coins, APYs pre-filled Yield & staking Compound Interest Calculator Project any APY with monthly contributions Yield & staking Stablecoin Yields USDC/USDT/DAI rates compared, with honest risk notes Yield & staking Crypto Profit Calculator P&L, ROI and break-even on any of 100 coins Utilities Average-Down Calculator Your new average and break-even after buying a dip Utilities Satoshi to USD Converter Sats ⇄ dollars at the live BTC price Utilities Gwei to ETH Converter Gas units ⇄ ETH ⇄ USD, with transfer-cost examples Utilities