How does the lot size calculator work?

In just a few simple steps, you can calculate the correct lot size for your trade depending on your desired risk.

  • Select the instrument you’re trading and the base currency of your Forex trading account
  • Fill in the entry-level and the stop loss for your planned trade
  • Fill in the size of your account
  • Select your desired risk (either % of your account balance or a fixed amount)
  • Click “Calculate” and let our lot size calculator do the hard work for you
trade size, forex lot size calculator

Forex Calculator Glossary


Also referred to as "Symbol". The currency pair you're choosing to trade from the major forex crosses

Deposit currency

The currency in which your account balance is nominated (account currency or account base currency)

Entry level

The price at which the trade is or will be opened on the Forex market

Stop-loss level

The price at which trade closes in the negative scenario

Take profit level

The price at which trade closes in the positive scenario

Risk Tolerance

Type of risk ratio you want to calculate with. Can be either "percentage" or "fixed amount"

Why use the Lot Size Calculator?

Start managing your risk like a pro.

It can help you to accurately calculate how your forex trading account equity can be affected after a series of losing trades and eventually even to recoup from previously losing trades.


It takes just a few moments to fill out the calculator fields. Our lot size calculator will do the rest for you.


Our lot size calculator is trusted by thousands of traders around the world.


Works well with all listed deposit currencies and all available trading instruments.


Whether you want to risk a predetermined sum or percentage amount, we've got you covered.

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Explore benefits and free extras such as other financial calculators you can get if you open an account with Switch Markets.

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Read our frequently asked questions below. If you still need help, contact us today.

What is the Lot Size Calculator?

The lot size calculator is sometimes referred to as the position size calculator by many forex traders when doing foreign exchange trading (currency trading) and wants to receive a piece of better investment advice for their investment objectives.

Do you offer a demo account?

Yes, we sure do. All you need to do is click "Try free demo" and you can get trading with a Switch Markets Demo Account in a matter of minutes. Then, when you are ready, you can simply switch to a live account. Our demo account access is not restricted to a set number of days, your demo account with Switch Markets is yours forever.

How do I get started?

We're glad you’re ready to get started with us. Just click "Start trading today" and you'll start setting up your account. Have a look at our two account types; Pro and Standard and see which suits your trading needs better. Once you've decided, it takes a few minutes to go through our form, then you’ll be ready to trade once approved!

How long does the demo account last?

A demo account with Switch Markets is accessible forever, there is no limit as long as you trade. Then, when you’re ready you can open a live trading account by clicking "Start trading today" at any time.

What is the minimum amount needed to open a Switch Markets trading account?

With Switch Markets you can open a live trading account with as little as $50.

What costs are involved in trading with Switch Markets?

That's an easy one. There are zero deposit and withdrawal fees. Pick a trading account that works for your trading type, either Pro or Standard.

Do I get charged for a dormant trading account?

Nope. Nada. You will not be charged anything for keeping your account open.

How fast are withdrawals?

Fast. When a withdrawal is requested and assuming you’ve passed all your routine verification checks, we’ll have your funds with you. Most of the withdrawals are completed within one business day.

How do I contact support?

We’d love to chat. First up, speak to us on our live chat. We’ve got a team of real humans on standby 24/7 via our live chat. You can also contact us via email at

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