Position Sizing Calculator (Risk Management)

Enter your account size, risk %, and stop distance to get an instant risk amount and position size.

Published: February 14, 2026 • Last updated: February 14, 2026 • Reading time: ~6 minutes
Quick answer: Position size = (Account × Risk %) ÷ Stop distance.
Reality check: this is a math tool, not financial advice.

Calculator

Risk amount$0
Position size0

How it works

risk_amount = account × (risk_pct ÷ 100)
position_size = risk_amount ÷ stop_distance

This calculator outputs position size in “units” of your stop distance. Your platform may use contracts, shares, lots, or tokens—convert units accordingly.

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