Position Size & Pip Risk Calculator
Size a trade so that hitting your stop loses only the percentage of your account you chose.
= 0.200 lots of 100,000. Amount at risk 100.00; stop distance 0.005 = 50 pips.
Pure arithmetic, no market data needed. Runs in your browser.
The formula
Position size (units) = (account balance × risk %) ÷ |entry − stop|. Lots = units ÷ contract size. Value per pip = units × pip size, in the quote currency of the instrument.
Example: with a 10,000 account, 1% risk (100) and a 50-pip stop on EUR/USD (0.0050), the size is 100 ÷ 0.0050 = 20,000 units, or 0.2 standard lots. If the quote currency differs from your account currency, convert the risk amount first.
Using it well
- Set the stop where the trade idea is proven wrong (for example beyond a support or resistance level), then let the calculator size the position. Do not move the stop to fit a size.
- Contract specifications differ between brokers and exchanges; check the lot size and tick value of your instrument.
- Gaps, slippage and weekend moves can produce losses larger than planned. Read our risk management guide.
Frequently asked questions
What percentage should I risk per trade?
There is no single right number. Many educational sources discuss risking a small fixed fraction of the account so that a losing streak does not cripple it. This is a personal decision, not advice.
What is a pip?
A pip is a standard price increment: 0.0001 for most currency pairs and 0.01 for pairs quoted in Japanese yen. For other markets, use the instrument's tick size.
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Not financial advice. This calculator is an educational tool. Trading with leverage carries a high risk of losing money. See our disclaimer.
Page updated 2026-11-03 · Site built 2026-11-08 02:07 UTC