How do I use the position size calculator?

Enter balance, choose a risk percent per trade, set stop size in pips, and pick the pair. Click Calculate for units, lots, and risk amount.

Is this accurate for all pairs?

It provides fast estimates for major pairs. Cross pairs or non-USD accounts may differ unless adjusted with current rates.

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Size your forex trades by risk in seconds. Calculate units and lots from your balance, risk %, and stop size.

Account balance

USD

Enter a positive balance.

Risk %

Common: 0.5–2%

Stop (pips)

Enter your stop distance in pips.

Pair

Account currency

Press Enter to calculate

Units: —

Lots: —

Risk amount: —

Formula (quick estimate)

Risk amount = Balance × (Risk% ÷ 100)
Estimated pip value per standard lot: $10 for major USD-quoted pairs; ¥1000 for USDJPY; gold varies.
Units ≈ Risk amount ÷ (Stop pips × (Pip value per unit))
Lots = Units ÷ 100,000

Note: This tool uses a simplified pip value model for speed. For cross pairs or non-USD accounts, treat outputs as estimates.