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Gold lot size calculator for XAUUSD

Size gold trades using entry price, stop loss, account risk, and contract size. Designed for XAUUSD traders who need clean risk math before the trade.

XAUUSD risk sizingContract-size awareOptional target R multiple
Calculator

Gold lot size calculator for XAUUSD

Results update instantly as you type. Check your broker's exact contract specs, spreads, commissions and margin rules before placing any trade.

Check your broker's XAUUSD contract size before using the result.

Want to save this calculation with the actual trade?

Use TradeDoctor AI to journal planned risk, actual risk, emotions, rule breaks, and AI Assistant feedback after execution.

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Guide

Gold lot size calculator: complete guide

A gold lot size calculator helps XAUUSD traders size positions from entry, stop loss, account risk, and contract size. Gold can move quickly, so guessing lot size is one of the fastest ways to take more risk than planned.

How to calculate gold lot size

Gold position size depends on the price distance between entry and stop loss, the contract size used by your broker, and the dollar risk you are willing to take. The wider the stop, the smaller the lot size must be to keep the same risk.

Why XAUUSD needs its own sizing check

Gold symbols can have different contract specifications across brokers. A 1.00 lot gold position is often 100 ounces, but not always. Spread, volatility, and execution speed can also make real risk larger than the clean calculator estimate.

When a gold trade is too large

If the calculator returns a lot size that feels too small, that is not a problem with the math. It may mean the stop is wide, the account is small for that setup, or the planned risk is too conservative for the target.

01

Contract size

Confirm whether your broker uses 100 ounces, 10 ounces, or another contract value per lot. This is the key input for accurate XAUUSD risk.

02

Spread and slippage

Gold spreads can widen around news, rollover, and volatility spikes. Leave room for execution costs instead of sizing to the exact cent.

03

Stop placement

A stop should come from invalidation, not from the lot size you want. First define the trade idea, then calculate the size.

04

Prop firm risk

Gold is popular in challenges, but one oversized XAUUSD loss can threaten daily loss rules. Keep per-trade risk deliberately small.

Gold lot size and review

After the trade, compare planned risk with actual risk. If losing gold trades are consistently larger than planned, review entry timing, spread, stop movement, and whether you trade during high-impact news.

Use it with TradeDoctor

The calculator gives the plan. Your journal proves the behavior.

After calculating the setup, log the trade in TradeDoctor AI to see whether actual risk, rules, emotions and outcomes matched the plan.

Plan day rules with Text Journal before the session.
Capture trades with Snap Journal, import, or fast manual entry.
Use AI Assistant to summarize journal patterns that calculators cannot capture.
Planned risk1.0%
Actual risktracked
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FAQ

Gold lot size calculator FAQ.

Clear answers about using this calculator and applying the result in real trading decisions.

What is a gold lot size calculator?
It estimates XAUUSD trade size from account risk, entry, stop loss, and contract size.
Why is gold lot size different from forex?
Gold uses metal contract specifications rather than standard forex pip conventions, and those specifications vary by broker.
What contract size should I use?
Use the contract size from your broker platform or symbol specification page.
Is this financial advice?
No. It is an educational calculator and does not recommend any trade.

Calculate the plan. Then journal the result.

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