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Use this handy Forex Margin Calculator to calculate accurately the amount of funds required to open a trading position, or used to open a new trade, based on the lot size and the available leverage offered by your broker.

What is a Forex Margin Calculator

Margin, or used margin, is the amount of money in a trading account that is currently used in open trade positions. If a trader uses a trading account with a 100:1 leverage, and has opened a trade of 1 mini lot (0.10 lot), then the used margin is $100. More precisely, the formula used to calculate the used margin is as follows:

Used Margin = (Market Quote for the pair * Lots) / Leverage

Free, or usable margin, is the amount of money in a trading account minus the used margin. If a trader has a trading account with $1000 and has opened a trading position with 1 mini lot (0.10 lot), that requires a margin of $100, then the current free margin is $900. The formula used to calculate the free margin is as follows:

Free Margin = Equity – Margin (or Used Margin)

Now that we know the two types of margin used in FX trading, use our Forex Margin Calculator to help you accurately calculate the required margin to open and, more importantly, hold a trading position. Our calculator also uses the traded currency pair, the account base currency and the live market exchange rate to calculate the results in the trader's account base currency.

How to Use the Forex Margin Calculator

Currency pair: In this field traders can select from several Major Forex crosses, some Minor pairs, from the most popular cryptocurrencies versus the USD (BTC, ETH, LTC, Stellar and Ripple), and Gold/Silver versus the USD. For our example, let's choose the EUR/USD.

Deposit currency: Margin values are different for each Forex pair, or any other financial instrument, and subject to its current market quote. By selecting the deposit currency, it will be possible to accurately display the margin amounte of the selected instrument in the trader's account base currency (from AUD to ZAR). We will choose GBP as our deposit currency, for this example.

Leverage: In this field traders just need to input their current leverage, offered by their broker, or they can choose from a range of 1:1 to a maximum of 600:1 to simulate the amount of margin used to open a position with different leverage options. For our example, we will select a leverage of 30:1.

Lots (trade size): Simply type in the lot size. Remember, one standard lot of a Forex pair is 100,000 units per 1 lot, but units per 1 lot vary for the non-forex pairs. In this field there's also the option of switching between lots or units for the calculations. For our example, we will use a trade size of 0.10.

Next, we click the "Calculate" button.

The results: Using all the formulas illustrated above, and the data supplied, the Forex Margin Calculator tell us that to open a trade position, long or short, of a 0.10 lot EUR/USD, with a 30:1 leverage trading account, and with the current EUR/GBP exchange rate of 0.90367, we would need a margin of £ 301.22.

 TIP The Forex Margin Calculator can also be used to find the least "expensive" pairs to trade. For the same example above, and by using the same calculating parameters (30:1 leverage and a 0.10 lot trading position), if instead of selecting the EUR/USD we choose the AUD/USD, then we see that the margin required would be much less, only 186.89 GBP.

You might also find our What is Leverage in Forex and How to Use It article useful. It has information that can help traders to understand how leverage has a direct effect on their trading account's capital, what is the leverage in Forex and how to use it safely in FX trading, what is a margin call, how to avoid a margin call and so much more.

Use this Forex Margin Calculator on Your Website

Our tools and calculators are developed and built to help the trading community to better understand the particulars that can affect their account balance and to help them on their overall trading.

Regardless if investors trade the Forex market, cryptocurrencies or any other financial instruments, our complete suite of accurate Forex tools and calculators are programmed to work with any data inputted.

By using live market data, our set of calculators allows traders to always get the most accurate results possible, and they work with most FX pairs, metals and even cryptocurrencies. Also, these great calculators are translated into 23 different languages including Arabic, Russian, Japanese and Chinese.

With an intuitive design and a user-friendly interface, these calculators can be easily integrated with any web page. The substantial advantage is that they are completely unbranded, and can be fully customizable to any color scheme and to fit the layout of any web page.

If you're a webmaster and consider that these calculators can create added value for your website on a "Tools/Calculators" section, you are free to embed them on your website.

The embedding widget can be used as it is or it can be fully configured to match your website’s colours. When you are happy with the settings, simply copy/paste the final code to embed the tool/calculator widget on your page.