RektCalc — Crypto Risk Calculator

Instant liquidation price and position size calculator for crypto traders. No sign-up, no data sent anywhere.

RektCalc is a fast, offline crypto risk calculator that lives in your browser toolbar. TWO CALCULATORS IN ONE: 🛡 Liquidation Price Enter your entry price, leverage, and direction (Long or Short) to instantly see: • Your liquidation price • Distance to liquidation (%) • Maximum loss as a % of your margin 📐 Position Size Enter your account balance, risk %, leverage, entry price, and stop-loss price to get: • Ideal collateral (margin) to use • Total position size and quantity • Maximum dollar risk • Estimated liquidation price DESIGNED FOR TRADERS Whether you're trading BTC, ETH, or altcoins on Bybit, Binance, OKX, or any other exchange — the math is the same. RektCalc gives you the numbers before you click Buy. PRIVACY • No accounts, no sign-up • No data sent to any server • All calculations run in your browser • No permissions required — works offline Built by rektcalc.com — free crypto calculators for traders.