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
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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