Position Size Calculator
Calculate the exact lot size to risk a fixed % of your account on every trade.
Trade Inputs
Result
How it works
Position size = (Account Balance × Risk %) ÷ (Stop Loss in pips × Pip Value per lot). The pip value is converted into your account currency using the quote currency conversion rate. This formula keeps your dollar risk constant regardless of which pair you trade.
Earn cashback on every trade
ShaFX members receive cashback on every standard lot traded across 20+ regulated brokers — automatically.
See cashback rates →Other calculators
Pip Value
Pip value in your account currency
Profit / Loss
Estimate P&L before entry
Margin
Required margin for any leverage
Risk / Reward
R:R ratio + breakeven win rate
Drawdown
Max drawdown + recovery required
Compounding
Account growth projection
XAUUSD (Gold)
Gold-specific calculator
Spread Cost
True cost of spread
Swap / Commission
Overnight + per-lot fees
Lot Converter
Standard / mini / micro / units
Session Clock
London / NY / Tokyo / Sydney