Free calculators for crypto and perps traders.

Calculate margin required from notional and leverage so you can sanity-check exposure before entry.

Calculate weighted average entry price from multiple fills so scaling in doesn't break your stop math.

Quantify system expectancy from win rate, average win, and average loss.

Measure drawdown depth and required recovery gain before scaling risk.

Project average cost and investment growth for recurring buys.

Project bankroll growth from a fixed return per period so you can set realistic risk scaling and withdrawal rules.

Calculate win rate from wins, losses, and scratch trades so you can benchmark consistency.

Calculate the win rate you need to break even from average win and average loss (in R).

Estimate a Kelly fraction from win probability and win/loss ratio to size risk without overbetting.

Calculate realized R multiple from entry, stop, and exit (works for long and short trades).

Calculate a take-profit target price from entry, stop, and desired R multiple.

Estimate fees, gross PnL, and net PnL for a trade (long or short).

Calculate the exit price required to break even after fees (and optional slippage) for long or short trades.

Estimate slippage cost from position notional and slippage (in bps) per side.

Size a trade using ATR-based stop distance so volatility changes don't break your risk plan.

Estimate the probability your account hits a drawdown threshold over N trades given win rate, payoff, and risk per trade.

Calculate profit factor from gross profit and gross loss to benchmark strategy quality beyond win rate.

Calculate Sharpe ratio from annual return, risk-free rate, and volatility to benchmark risk-adjusted performance.

Calculate Sortino ratio from annual return, risk-free rate, and downside deviation to benchmark downside-adjusted performance.

Calculate Calmar ratio from CAGR and maximum drawdown to benchmark drawdown-adjusted performance.

Calculate compound annual growth rate (CAGR) from start value, end value, and years.