Calculators

Free Trading Calculators

Use free trading calculators to size positions, calculate risk reward, plan prop firm rules, estimate drawdown recovery, and make cleaner trading decisions before emotion gets involved.

No signup requiredFormula-first mathBuilt for traders
forex calculatorsrisk management calculatorsprop firm calculatorstrading discipline toolsposition sizing
All calculators

Choose the calculator that matches the trade decision.

The best calculator is the one you use before placing the trade. Start with risk, then review execution inside TradeDoctor AI.

FO

Forex lot size calculator

Calculate forex lot size from account balance, risk percentage, stop loss in pips, and pip value per standard lot. Built for risk-first traders who want accurate position sizing before entry.

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FO

Gold lot size calculator for XAUUSD

Size gold trades using entry price, stop loss, account risk, and contract size. Designed for XAUUSD traders who need clean risk math before the trade.

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RI

Position size calculator

Calculate the correct share, unit, or coin quantity from account size, risk percentage, entry, stop loss, and optional target.

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TR

Risk reward calculator

Check whether a trade setup is worth taking by calculating risk, reward, R multiple, and break-even win rate from entry, stop, and target.

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TR

Break-even win rate calculator

Find the win rate required to break even for any reward-to-risk ratio, including optional trading costs measured in R.

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RI

Drawdown recovery calculator

Calculate the percentage gain required to recover from a trading drawdown and estimate recovery time using average gain per trade.

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PR

Max daily loss calculator

Plan your remaining daily risk from account size, daily loss limit, current P&L, risk per trade, and max trades per day.

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PR

Prop firm risk calculator

Estimate funded challenge risk using profit target, max loss, daily loss, risk per trade, win rate, average R, and max trades per day.

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PS

Trading discipline score calculator

Score your trading discipline from plan adherence, risk control, revenge trading, readiness checks, journaling, and rule following.

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RI

Risk of ruin calculator

Estimate the mathematical probability of account ruin from win rate, loss rate, risk per trade, and capital units. A powerful shock-factor tool for risk discipline.

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From calculator to journal

The math is only useful if execution follows it.

Use these calculators before the trade, then log the trade in TradeDoctor AI to see whether you respected the plan, risk, rules, and emotions behind the decision.

Plan the day with Text Journal and day rules.
Log fast with Snap Journal, manual entry, or import.
Review risk flags, discipline, and AI Assistant feedback later.
Calculated risk0.5%
Actual risk0.9%
Rule flagrisk break

Calculate the plan. Then journal the result.

Start free with Text Journal, Snap Journal, AI Assistant, AI Trade Reviews, reports and 15 AI credits per month.