Forex Lot Size Calculator
Size your forex trades with institutional precision. Calculate standard, mini, and micro lots based on your account currency, risk percentage, and pip stop.
Add a forex instrument with contract values in USD in Settings.
Forex Lot Sizing Formula
A standard lot represents 100,000 units of the base currency. For pairs where USD is the quote currency (EUR/USD, GBP/USD, AUD/USD), 1 pip on 1.0 standard lot equals approximately $10 USD. For other pairs, exchange cross rates are applied.
Standard_Lots = Cash_Risk / (Stop_Loss_Pips * Pip_Value_Per_Standard_Lot)Trader Risk Best Practices
- check_circle1 Standard Lot = 100,000 units ($10/pip on EUR/USD).
- check_circle1 Mini Lot = 10,000 units ($1/pip on EUR/USD).
- check_circle1 Micro Lot = 1,000 units ($0.10/pip on EUR/USD).
- check_circleUse micro lots when trading accounts under $5,000 to maintain granular 0.5% - 1% risk discipline.
Calculate exact contracts, shares, or lots based on dollar risk and tick stop loss.
Calculate R:R ratios, break-even win rates, and target profit amounts.
Calculate required initial and maintenance margin for open positions.
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