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. 1

    Enter account balance

    Input your total trading account balance.

  2. 2

    Set risk and prices

    Define risk %, entry price, and stop-loss price.

  3. 3

    Read position size

    The calculator shows units and notional position value.

Frequently asked questions

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