Trading tool

Forex Margin Calculator

Estimate the initial margin for major USD pairs from the trade’s notional USD exposure and leverage. Margin is collateral—not the maximum amount you can lose.

Estimate required margin

USD account · simple initial-margin model

Margin = USD notional ÷ leverage

Illustrative calculation only. “Equity less new margin” ignores open P/L and other positions and is not the platform’s free-margin figure. Check the broker’s live requirement and liquidation policy.

Trading tips

Margin is not trade risk

Required margin only supports the position. Your loss depends on position size, price movement, stop execution, and costs.

Use 100,000 base units per standard lot

For conventional spot forex sizing, 1.00 lot is 100,000 units of the base currency—not 100 ounces.

Rates affect USD notional

For EUR/USD or GBP/USD, base-currency units are converted at the pair rate. For USD-base pairs, the units are already denominated in USD.

Broker rules take precedence

Tiered margin, hedging rules, weekend requirements, open positions, and regulatory limits can change the amount reserved.

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