Free tool · Australian dollar / US dollar
AUD/USD lot size calculator
Sensitive to commodities and Chinese growth. Enter your balance, risk and stop: you get the exact number of lots.
Position size
0.50 lots
Rounded down to the nearest 0.01 lot so you never exceed your risk.
How much is a pip worth on AUD/USD?
On AUD/USD, one pip is a move of 0.0001. For a standard lot (100,000 AUD), it is worth $10.00 on a dollar account.
Worked example
$10,000 account, 1% risk ($100). Long AUD/USD at 0.66000 with a stop at 0.65800, that is 20.0 pips. Each lot would lose $200.00 at the stop: 100 ÷ 200.00 = 0.50 lots, rounded down so you never exceed your risk.
Example prices are rounded to illustrate the maths: use live prices in the calculator.
FAQ
What about a euro account? The loss at the stop is in dollars, then converted into your account currency: pick EUR in the calculator and enter the conversion rate it asks for.
How much should I risk per trade? 0.25% to 1% of the account is the norm at prop firms: enough for wins to matter, little enough to absorb a losing streak. Read our guide on how to pass a prop firm challenge.
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Get my free diagnosticOfficial sources: FRED (Federal Reserve Bank of St. Louis), ECB, Bank of England, Bank of Canada, Eurostat. This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.