Position Size Calculator
Calculate the correct position size for any trade based on your account size, maximum risk, and stop-loss distance. Works for stocks and forex.
Position Size Calculator
POSITION SIZE
$1,650 position · 0.2× leverage
RISK AT DIFFERENT PERCENTAGES
Frequently Asked Questions
Why is position sizing important?
Proper position sizing prevents any single trade from destroying your account. Even with a 50% win rate, consistent 2% risk per trade means you can survive 10 consecutive losses and still have 82% of capital.
What percentage should I risk per trade?
Professional traders risk 0.5-2% per trade. Beginners should start at 0.5-1%. Risking 5%+ per trade is considered gambling — 5 losses in a row at 5% risk leaves you with 77% of capital.
How do I calculate forex lot size?
Lots = (Account balance × Risk %) ÷ (Stop loss in pips × Pip value). For a $10,000 account, 1% risk ($100), 20-pip stop on EUR/USD: 100 ÷ (20 × $1 mini pip) = 5 mini lots.
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For educational purposes only. Not financial advice. Consult a qualified advisor before making investment decisions.