Free Trading Calculators
Calculators for the math you do every trading day — R-multiple, position size, prop firm drawdown headroom. No signup, no email harvesting, no upsell wall.
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Prop Firm Drawdown Calculator
Given your prop firm plan, account size, and current balance — see exactly how much headroom you have before hitting the trailing drawdown floor. Supports Apex, Topstep, MFFU, Tradeify, Lucid, and more.
R-Multiple Calculator
Compute R-multiple for any trade by entering entry price, stop, exit, and position size. Works for futures, stocks, options, and forex. Supports asset-class point/pip math.
Position Size Calculator
Given account size, risk per trade, and stop distance — get the exact contract or share size to risk. Futures, stocks, and forex. Honors the 1% / 0.5% / fixed-dollar risk model you choose.
Risk-Reward Calculator
Reward-to-risk ratio plus break-even win rate from entry, stop, and target. Works for stocks, options, futures, and forex. Tells you the minimum win rate needed for the trade to have positive expectancy.
Options Profit Calculator
Build any options structure up to 4 legs and see the P/L diagram at expiration. Verticals, iron condors, butterflies, straddles, jade lizards. Max profit, max loss, and break-evens.
Wash Sale Calculator
Section 1091 wash sale window — both 30 days before AND 30 days after a sale at a loss. See the earliest safe re-entry date. Critical for active stock and options day traders.
Expected Move Calculator
Compute ±1σ expected price range using the ATM straddle method or implied volatility. Useful for earnings plays, options strategy selection, and event-window position sizing.
Dividend Yield Calculator
Compute dividend yield, annual income, per-payment income, and yield on cost. Supports monthly, quarterly, semi-annual, and annual dividend frequencies.
Stop recomputing the same numbers every trade.
TradersForge journal logs R-multiple, position size, and prop firm drawdown headroom automatically on every trade — and surfaces the patterns the calculators alone cannot.