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Lot size

Calculate Lot size instantly with the exact formula and a worked example. Free online calculator — no signup.

Lot size

Account size
Risk, %
Stop, pips
Pip value
Lot size
3.3333
risk = acct·% ; lot = risk/(stop·pip)Calculate Lot size instantly with the exact formula and a worked example. Free online calculator — no signup.
Risk $
100
Lot
3,33

More about: Lot size

What it calculates

The “Lot size” calculator computes Lot size from 4 parameters: account size, risk, %, stop, pips, pip value.

Used by investors to estimate returns, project savings, and analyze a portfolio.

Example calculation

With parameters Account size = 10,000, Risk, % = 1, Stop, pips = 30, Pip value = 1 the result is 3.33 (risk = acct·% ; lot = risk/(stop·pip)).

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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