Position Size Calculator — Free & Online
Determine how much to buy or sell based on how much of your account you are willing to risk.
100% free — no paywalls or watermarks
No sign-up or account required
Runs instantly in your browser
Calculations stay on your device
Calculator
Position size (units)
0.05
Position value
2,500
How to use
- 1
Enter account balance
Input your total trading account balance.
- 2
Set risk and prices
Define risk %, entry price, and stop-loss price.
- 3
Read position size
The calculator shows units and notional position value.