---
title: How do I calculate the Margin Requirement?
description: "Forex= Number of Lots \\* contract size \\* market price \\* Percentage margin required\\* conversion rate (if applicable) CFD (Futures – Shares –Indices) = Number of Lots \\* contract size \\* market price \\* Percentage margin required\\* conversion rate (if…"
url: "https://windsorbrokers-chn.com/knowledge-base/trading/how-do-i-calculate-the-margin-requirement/"
updated: "2025-07-29"
category: Trading
---

# How do I calculate the Margin Requirement?

Forex= Number of Lots \* contract size \* market price \* Percentage margin required\* conversion rate (if applicable) CFD (Futures – Shares –Indices) = Number of Lots \* contract size \* market price \* Percentage margin required\* conversion rate (if applicable) More information about the Margin Requirement is available in our [Trading Conditions](/company/legal/trading-documents/)

Example 1: margin requirement- FX Number of Lots \* contract size / maximum leverage \* conversion rate (if applicable) Client Account Currency USD Account Leverage – 1:500 Instrument to trade: EURUSD Volume traded: 20 lots Margin requirement: 20 \* 100,000 / 500 \* 1.09000 Total Margin Required: 4,360 USD.

Example 2: margin requirement- FX Client Account Currency USD Account Leverage – 1:500 Instrument to trade: EURUSD Volume traded: 120 lots Margin requirement for first level: 100 \* 100,000 / 500 \* 1.09000 Margin requirement for second level: 20 \* 100,000 / 200 \* 1.09000 Total Margin Required: 21,800 + 10,900 = 32,700 USD.

Example 3: margin requirement –CFD Spot Metals Number of Lots \* contract size / maximum leverage \* conversion rate (if applicable) Client Account Currency USD Account Leverage – 1:500 Instrument to trade: XAUUSD Volume traded: 60 lots Margin requirement for first level: 50 \* 100 / 250 \* 1607.00 Margin requirement for second level: 10 \* 100 / 150 \* 1607.00 Total Margin Required: 32,140 + 10,713.33 = 42,853.33 USD

Example 4: margin requirement - CFD Indices Number of lots \* contract size \* market price / maximum leverage\* conversion rate (if applicable) Client Account Currency USD Account Leverage – 1:500 Instrument to trade: UK100 Volume traded: 2 lots Margin requirement: 2 \* 10 \* 6650 / 200 Total Margin Required: 665 USD.

Example 5: margin requirement - CFD Indices Number of lots \* contract size \* market price / maximum leverage\* conversion rate (if applicable) Client Account Currency USD Account Leverage – 1:500 Instrument to trade: UK100 Volume traded: 30 lots Margin requirement for first level: 20 \* 10 \* 6650 / 200 Margin requirement for second level: 10 \* 10 \* 6650 / 125 Total Margin Required: 6650 + 5,320 = 11970 USD.