Trading calculators
Free, accurate and instant. Pick a tool below β every calculation runs in your browser and is shareable via a link.
Risk & Money Management
- Position SizeSize every trade to a fixed % of account risk.
- Risk / RewardR:R ratio, breakeven win rate and trade expectancy.
- Profit / LossGross & net P&L, % return and R multiple.
- CompoundingGrowth curve, final balance and recovery maths.
- Kelly CriterionOptimal bet fraction with half- and quarter-Kelly.