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XAUUSD Lot Size Calculator

Size positions using your stop and loss budget.

Estimates use your own inputs, not live broker prices.

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Instrument · Contract units per lot

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How the calculation works

XAUUSD Lot Size Calculator · How the calculation works

Illustrative values only — not XM trading terms or an investment recommendation.

Calculation formula

Lot size = ⌊Loss budget ÷ (|Entry price − Stop-loss price| × Contract units per lot × Currency conversion) ÷ Lot increment⌋ × Lot increment

Lot increments are rounded down. Spread, slippage, gaps and commissions are excluded from the stop-risk estimate.

Worked example

Example inputs · XAUUSD

Loss budget
100 USD
Entry price
3,000 USD
Stop-loss price
2,995 USD
Contract units per lot
100 oz / lots
Lot increment
0.01 lots
Currency conversion
1

Calculation steps

100 ÷ (|3,000 − 2,995| × 100 × 1) = 0.20

Estimated result

0.20 lots
Frequently asked questions

How is this calculated?

Calculation formula: Lot size = ⌊Loss budget ÷ (|Entry price − Stop-loss price| × Contract units per lot × Currency conversion) ÷ Lot increment⌋ × Lot increment

Why might my broker show a different result?

Check the broker’s actual contract, account and location conditions. Lot increments are rounded down. Spread, slippage, gaps and commissions are excluded from the stop-risk estimate.

Are these live broker prices?

No. This calculator uses your inputs or editable example specifications, not live prices.

Educational calculator. Estimates use your own inputs or editable example contract defaults. Verify broker terms and eligibility independently.

Want to compare two accounts?

Use identical instrument, volume and fee conventions.

XAUUSD Lot Size Calculator · TradeVeta