Margin Used Calculator

How to Use the Margin Used Calculator

Our free margin used calculator shows how much of your account balance is locked as collateral for a leveraged position. Enter your position size, leverage, and optionally your account balance to see margin used and free margin.

1. Enter position size: In USDT (notional value) or in asset units (e.g. BTC). If in units, also enter the entry price.
2. Set leverage: Use the slider or quick buttons (e.g. 10x, 50x). Higher leverage means less margin used per dollar of notional value.
3. Optional: account balance: Add your account balance to see how much free margin remains after opening the position.
4. Read results: Margin used is the capital locked; free margin is what you have left for other trades or to absorb losses.

What is Margin Used?

Margin used (or "used margin") is the portion of your account balance that your broker holds as collateral for open leveraged positions. It is not available for new trades or to cover losses until you close or reduce the position.

• Formula: Margin used = Notional value ÷ Leverage. For example, a $10,000 position at 10x leverage uses $1,000 margin.
• Notional value: The total value of the position (position size in currency, or size × price in asset terms).
• Free margin: Account balance minus margin used. This is what you can use for new positions or to absorb drawdowns.

Why Track Margin Used?

Knowing your margin used helps you avoid over-leveraging and margin calls. It also shows how much buffer you have (free margin) before your broker may liquidate positions or restrict new trades.

• Risk management: Keep free margin above your broker's maintenance requirements to avoid margin calls.
• Position sizing: Plan new trades using your free margin so you don't exceed your account's capacity.
• Multi-position view: For multiple positions, sum the margin used for each to see total margin used and remaining free margin.

Frequently Asked Questions