Position sizing calculator

Position Size Calculator

This calculator converts a chosen percentage of account equity into an estimated quantity using the distance between entry and stop and the cash value of one price unit.

Estimated quantity

2

Risk capital 100.00 · estimated cash risk per unit 50.00

Formula

Estimated quantity = risk capital ÷ (stop distance × cash value per price unit).

Important limitations

  • •Use the correct cash value per price unit for the instrument being traded.
  • •The result is rounded down to a whole unit or contract.
  • •Margin, minimum order size, gaps, slippage, and broker rules can change the usable quantity.
These calculators provide mathematical outputs only. They do not account for every broker, exchange, product, margin, tax, execution, or market condition and are not financial advice.