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Position Size Calculator
Stop guessing position size. Calculate lots, shares, contracts, and margin before every trade.
Calculator
Risk-based sizing for forex, crypto, and stocks.
Result
Use this size, then execute with discipline.
- Risk Amount
- Margin Required
- Position Notional
- Estimated Loss at Stop
Market Size Output
- Standard lots:
- Mini lots:
- Micro lots:
- Units:
- Units:
- Contracts:
- Shares:
- Contracts:
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Fill inputs and calculate to see lots/contracts/shares.
Common Risk Mistakes
- Using fixed lot size instead of risk-based sizing.
- Ignoring leverage impact on margin.
- Widening stop after entry instead of taking a planned loss.
- Risking more after a losing streak.
FAQ
What is a safe risk per trade?
Most consistent traders stay around 0.5% to 2% per trade.
Does leverage increase risk?
Leverage increases exposure and lowers required margin, but your stop-loss risk comes from size and stop distance.