Free trading calculators
Fast, no-sign-up tools for the math you should run before every trade. Everything computes in your browser — nothing is stored or sent anywhere.
Position Size Calculator
Find the exact number of units, shares, or lots to trade so a stop-out costs only what you decided to risk.
Open toolRisk/Reward Calculator
Get your reward-to-risk ratio, R-multiple, and the break-even win rate a setup actually requires.
Open toolProp Firm Drawdown Calculator
See your daily and maximum loss floors — static or trailing — and how much room is left before a challenge fails.
Open toolThe calculators are the warm-up
TradeInsights runs this math on every real trade automatically — and adds AI coaching, broker sync, and prop firm tracking on top. Free to start.