Prop firm tools & calculators
Free, no-signup calculators built specifically around prop firm rules — daily drawdowns, trailing floors, profit targets and split tiers. Everything runs in your browser; we never see your numbers.
- Free tool
Position Size Calculator
Lot size from account, risk % and stop distance — with prop-firm-safe presets for forex, gold and indices.
- Free tool
Challenge Pass Probability Simulator
Monte Carlo simulation of your win rate, risk:reward and sizing against real challenge rules — see your true pass odds before you pay.
- Free tool
Drawdown & Breach Calculator
Exactly how much room you have left before a daily or max drawdown breach — static and trailing modes.
- Free tool
True Challenge Cost Calculator
Expected total spend to get funded based on fee and realistic pass rates — the number sticker prices hide.
- Free tool
Profit Split & Payout Calculator
Your real take-home from a payout: split tiers, fee refunds and effective return on your challenge fee.
- Free tool
Consistency Rule Calculator
Check your best day against your firm's consistency cap — pass/fail and the exact extra profit needed before a compliant payout.
- Free tool
Scaling Plan Projection Calculator
Project how your funded balance and take-home grow across scaling milestones — capital and split compounding together.
- Free tool
Risk of Ruin Calculator
The probability your win rate and risk-per-trade breach a drawdown before you pass — the number that decides your sizing.
- Free tool
Trading Expectancy Calculator
Your expected profit per trade from win rate and average win/loss — is your edge even positive before firm rules?
- Free tool
Payout Withdrawal Date Calculator
Your first eligible withdrawal date and payout schedule from minimum trading days and cycle length.
- Free tool
Challenge Fee Recovery Calculator
How much you must earn — and at what return — to recoup your challenge fee and reach real profit after the split.
New here? Start with what a prop firm is and how to pass a challenge, then pick a firm from our 2026 rankings.