Margin Calculator
Calculate required margin for a leveraged trade using lot size, contract size, market price, leverage, and account conversion rate.
Required margin
Leverage impact
Notional value
Calculator suite
Plan trades before you click buy or sell.
Compare PnL, margin, position size, and overnight costs with clear assumptions and editable inputs.
Step 1
Margin inputs
Live result
Required margin
Required margin
$1,100.00
Estimated account equity your broker may reserve for this position.
Notional value
$110,000.00
Leverage
1:100
Lot size
1
Market price
1.1
These results are estimates for planning and education. Actual outcomes can vary with spread, slippage, broker execution, conversion rates, and fee schedules.
Formula used
Margin requirement
notionalValue = lotSize × contractSize × marketPrice; requiredMargin = (notionalValue / leverage) × conversionRate
Frequently asked questions
What does required margin mean?
Required margin is the capital your broker blocks to keep the leveraged position open.
Why does margin change with leverage?
Higher leverage lowers margin requirement, while lower leverage increases required margin for the same trade size.
Do fees change margin requirement?
Commission and swap affect account equity, but margin requirement itself is based on notional value, leverage, and conversion.