Free trading calculators
Fast, no-sign-up tools for inspecting input-based trading and prop-risk scenarios. Everything computes in your browser — nothing is stored or sent anywhere.
Position Size Calculator
Estimate units, shares, or lots from an entered account value, risk percentage, entry, and stop before costs and execution differences.
Open toolRisk/Reward Calculator
Compare an entered stop and target to estimate reward/risk, R-multiple, and an input-based break-even win rate.
Open toolTrading Expectancy Calculator
Combine entered win rate, average wins, losses, costs, and frequency into a weighted-average scenario.
Open toolProp Firm Drawdown Calculator
Estimate daily and maximum-loss floors from user-entered rules, then verify the formula and status with the firm.
Open toolThe calculators are the warm-up
TradeInsights calculates available metrics from supported imported records and adds evidence, journal context, optional AI-assisted review, rules, and monitoring. Start with the free diagnostic.