Resources / Calculators11 free tools

Trading calculators

Size risk, test performance, and check the evidence behind your system.

All calculators

11 tools

Estimate the chance of reaching a chosen account loss limit.

Calculate a tradable position size from your account risk and stop.

Calculate reward to risk, breakeven win rate, and expectancy.

Calculate expected R per trade from win rate and payoff.

Calculate profit factor, net R, and expectancy.

Calculate recovery gain and time after an account drawdown.

Calculate the trade sample needed before luck stops dominating.

Estimate typical and bad case losing streaks from win rate.

Project account growth from a repeatable period return.

Convert a manually entered broker commission into R and net expectancy.

Compare your win rate with a driftless random entry.