Position Size Calculator

Enter your account size, risk percentage, and stop loss in pips. The calculator determines the exact position size in lots so every trade risks only what you intend - no guessing, no over-exposure.

$10.00

Dollar at Risk

$100.00

Position Size

0.50 lots

Prop Firm Context

At $100.00 per trade, you can absorb 5 consecutive losses before hitting a standard 5% daily drawdown limit.

Pip values are approximate for USD-denominated accounts

Results are for educational and informational purposes only. This calculator does not constitute financial advice. Always verify calculations with your broker before placing trades. Pip values are approximate and may vary with current exchange rates.

Want to understand the math behind position sizing?

The Pipster Academy covers the full framework - from risk-per-trade rules to prop firm challenge strategies.

Read the Position Sizing lesson in Pipster Academy →