Position Size Calculator
Calculate your ideal position size based on your account balance and risk percentage.
Standard Lots (100k)
Mini Lots (10k)
Total Risk Amount
$
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How is lot size calculated in Forex?
Position size is calculated using the formula: Lot Size = (Account Balance × Risk Percentage) / (Stop Loss in Pips × Pip Value). This guarantees your dollar risk never exceeds your risk tolerance.
What is the standard lot size for a $10,000 prop firm account?
For a $10,000 account with 1% risk ($100) and a 50-pip stop loss on EUR/USD ($10/pip), your exact position size is 0.20 Standard Lots (or 2.0 Mini Lots).