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Traders

Position Size Calculator

Calculate trade size based on risk and stop-loss

Runs locally in your browser

Parameters

Result

Risk amount
$100.00
Position size (units)
0
Lots (Forex)
0.00
Max loss
$100.00

Simplified Forex calculation. Not financial advice.

How it works

Calculates forex or CFD position size based on account balance, risk percentage per trade, and stop-loss distance in pips—helping traders cap loss on any single entry.

Who it's for: Forex and CFD traders applying fixed-percentage risk management rules

Derives recommended lot or unit size from risk dollars and stop distance.

Translates a risk percentage of account equity into a concrete position size.

Updates instantly as you change balance, risk, or pip stop.

How to use

  1. Enter Account balance in your account currency.
  2. Set Risk per trade as a percentage of balance (1–2% is common for conservative sizing).
  3. Enter Stop-loss in pips and Pip value per lot for your instrument and broker.
  4. Read the recommended Position size before placing the order.
  5. Adjust if your broker uses micro lots, mini lots, or different pip definitions for JPY pairs.

Good to know

  • This is an educational calculator—not financial advice; verify with your broker’s contract specifications.
  • Pip value changes with pair, account currency, and lot size—recalculate for each instrument.
  • Slippage and gaps can exceed planned risk on volatile news events.

FAQ

Why does pip value matter?
The same pip move on different pairs and lot sizes represents different dollar risk—pip value converts pips into money at risk.