Professional-grade calculators built for crypto traders, prediction market players, and modern investors. Free, instant, no sign-up required.
Calculate the optimal position size for any prediction market or trading decision. Maximize long-term growth without risking ruin.
Open calculator AnalysisInstantly compute EV, edge %, and implied probability for any binary-outcome trade on Polymarket or other prediction platforms.
Open calculator RiskFind the right trade size based on your account balance, risk tolerance, and stop-loss distance. Works for crypto and prediction markets.
Open calculatorVisualize how your crypto or investment portfolio grows over time with compounding. Adjust frequency, rate, and contributions.
Open calculator TaxEstimate capital gains tax on crypto trades. Supports short-term vs long-term rates, and links to CoinLedger for full reporting.
Open calculator ConvertReal-time crypto-to-crypto and crypto-to-fiat conversion. BTC, ETH, SOL, USDC, and 100+ assets. Swap via ChangeNOW.
Open calculator CurrencyLive exchange rates for 160+ fiat currencies. USD, EUR, GBP, JPY, AED, and more. Updated every hour from open APIs.
Open calculator InflationSee your real returns after inflation. Convert nominal gains to purchasing-power-adjusted growth. Critical for long-term crypto holders.
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