Forex Margin Calculator | calc.forex widget

Instrument

Account currency

EUR/USD price

Reference price filled in — type to use your own.

Contract specs: 1 lot = 100,000 units

Contract size (units per lot)

Standard forex lots are 100,000 units of the base currency. Check the contract specification in your broker's platform (MT4/MT5: right-click the symbol → Specification).

Position size

lots

Leverage

EU/UK retail limit for EUR/USD: 1:30.

More options

Account balance

USD

Optional. Shows the free margin and margin level after opening this trade.

Required margin

$3,731.63

at 1:30 leverage

Position value

$111,949.00

100,000 units

Margin requirement

3.33%

of position value

Show the math

Position value in USD1.00 lots × 100,000 × 1.11949 = 111,949.00 USD
Required margin$111,949.00 ÷ 30 = $3,731.63

Rates from ECB, gold-api.com, CoinGecko, FX reference 2026-10-14, checked 19:48 UTC. Use your broker's live quote to trade.