Margin Calculator

Estimate margin requirements before opening a trade.

Inputs

Instrument

Position Size (units)

Current Price

Leverage (e.g. 100 = 1:100)

Account Balance (USD)

Formula

Required Margin = (Position Size × Price) ÷ Leverage. Higher leverage reduces margin but increases liquidation risk.

Keep learning

Read What Is Margin? or browse the Trading Basics guides on RealMarketAPI Learn.

Build with live prices

Feed calculations like this with real-time forex, gold and crypto prices from RealMarketAPI. Get a free API key or read the docs.