Trader Rookie Position Size Forex CalculatorTrader Rookie Position Size Forex Calculator - rookie with calculator in hand and blinking

Risk management made easy

You now have a powerful tool at the tip of your fingers!

Watch out for the FX Logo                          


A small FX calculator logo will appear in the top right corner of your internet browser. Click the icon once to allow the extension to be used on the webpage.

Alternatively, you can right-click the icon and set if you want to gain permission for all internet pages collectively or every page individually.

Toggle the calculator on/off

When the extension has access to the webpage, you will be able to toggle the calculator on/off on the FX icon.


You can use keyboard shortcuts to toggle the calculator on/off instead.

Shortcut for windows for Forex Extension

Shortcut for Macintosh for Forex Extension

Where "F" stands for "FOREX"

Instant synchronization between browser tabs

This is particularly useful if you prefer to keep charting and trading on separate platforms.

Furthermore, you get instant synchronization of your position size calculations between different computers (you need to be signed into the browser on both computers).

Use the calculator with a desktop broker platform


If you want to use the calculator along with Metatrader™, cTrader™ or similar software package it is recommended to open the calculator in a separate window.

Rightclick anywhere in the browser window and select “Open Forex Calculator in a separate window".

The calculator is ready to use!

Go ahead: You can use it straight away…

Just select the currency of your forex account and enter your current account-size.

Select one of the Forex majors by clicking the trade pair button and you are all set!

After a couple of calculations, I will recommend you to visit the manual for further info on all the features of the calculator.

Do you need further help?

Helpfull Rookie

You can access the full online manual here: 



Rookie's hand pointing left

The calculator also includes a direct link to the manual.

Just click:  for help!

Happy trading!


Rookie pointing at exclamation markTrader Rookie will not accept liability for any loss or damage including without limitation to any loss of profit which may arise directly or indirectly from the use of the Trader Rookie Forex Position size calculator extension.
Using a position size calculator should by no means be considered insurance against losing your invested capital. Price gaps in markets, price slippage, and technical issues on your brokers trading platform are just a few examples where you potentially could lose more capital than your calculations indicated.
You should seek independent financial advice prior to acquiring the financial product or securities and financial products or instruments. Trading involves large financial risks and please remember that past performance results are not necessarily indicative of future results!

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