Gold Position Size Calculator

Position sizing is the simplest math in trading — and the most ignored. The rule is: never lose more than a fixed % of your account on a single trade.

First we compute your risk amount: balance × risk%. Then we compute the loss you'd take if you traded 1 lot and got stopped out: stopPoints × pointValuePerLot. Divide the two, floor the result down to the nearest 0.01, and you have the biggest lot size that still respects your risk budget.

Cent versus standard XAUUSD.A standard XAUUSD lot is 100 oz — one point ($0.01 move) is worth $1. On a cent account, 1 lot is 1 oz, so a point is worth 1 cent (¢1). Same math, different currency. That's why the calculator lets you switch between the two — the lot size that fits a $1,000 standard account is 100× smaller than the lot size that fits a $1,000 cent account (100,000 cents).

Why we floor down. Brokers accept lots in 0.01 increments, so rounding up would break your risk cap on every trade. Flooring keeps you honest — the trade will always risk slightly less than your target, never more.

Why the “risk exceeds minimum” warning matters. If your balance is so small that a 1% risk buys less than 0.01 lots, the tool still shows 0.01 — but with a red warning. That trade will risk more than 1% of your account. On very small accounts, either widen your stop or drop the risk % — never override the warning.