Free tool

Margin Calculator

See the notional value and margin required for a position at a given leverage.

ForexMetalsIndices
Adjust contract specs

Leverage and margin rules are set by your broker or prop firm — this uses the standard formula, not a specific platform's live requirement.

Notional value$108500.00
Margin required$1085.00

Why it matters

Margin calls happen when position size and leverage get disconnected from what an account can actually support — this tool is here so that never has to be a surprise mid-challenge.

Prep for a prop challenge in Mentorship

Methodology

Margin required

Margin = (Entry Price × Contract Size × Lots) ÷ Leverage
  1. 1Pick your instrument and enter the entry price and position size.
  2. 2Enter the leverage your broker or prop firm offers for that instrument.
  3. 3The calculator multiplies price × contract size × lots to get the notional value of the position, then divides by leverage to get the margin your platform will hold.
  4. 4For indices and commodities, confirm your platform's exact contract size first — it varies by broker and changes the margin figure directly.

Worked example

Inputs

Instrument
EURUSD
Entry price
1.0850
Position size
1.00 standard lot
Leverage
100:1

Result

Notional value
$108,500
Margin required
$1,085

Why it matters

Margin calls happen when position size and leverage get disconnected from what an account can actually support — this tool is here so that never has to be a surprise mid-challenge.

Prep for a prop challenge in Mentorship

References

  • The standard margin formula (notional value ÷ leverage) used across MT4/MT5-style trading platforms.

Figures here are for educational planning only — not trading, investment, or tax advice. Confirm exact contract size, margin, and leverage with your own broker or prop firm before trading real size.

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