Free trading calculators
A trade is numbers before it is a story.
Every calculator shows the formula it uses and the assumptions it cannot know. No hidden signal score, no account gate and no attempt to turn a risk estimate into a promise.
Crypto Position Size Calculator
Calculate crypto position size from account equity, risk percentage, entry and stop. See quantity, notional exposure, margin, fees and total stop risk.
Open calculatorTrading Risk Reward Calculator
Calculate reward-to-risk, R multiple, stop distance, target distance and the minimum win rate needed to break even. Free and instant.
Open calculatorCrypto Liquidation Price Calculator
Estimate isolated linear perpetual liquidation price from entry, leverage, side and maintenance margin. Understand distance to liquidation and its limitations.
Open calculatorTrading Expectancy Calculator
Calculate trading expectancy from win rate, average win and average loss. See expected R per trade, projected sample outcome and breakeven win rate.
Open calculatorWhy these tools refuse to predict
Position size, R multiple and expectancy are decision constraints. They cannot know future liquidity, slippage or whether a setup has edge. Their job is narrower and more useful: make assumptions explicit, expose incoherent risk and let outcomes be compared on the same unit.
Updated 2026-08-26 · Educational estimates, not financial advice.