To see the contract size of each symbol, refer to the symbol properties section in Meta Trader:

Application:

With the Meta Trader application, accessing symbol properties is a breeze. Simply click on ‘Prices’ and select ‘Properties’ in the new window to view all the specifications of the desired symbol, including the contract size for each lot.

Windows version:

If you have installed the “Windows” version of the Meta Trader, right-click the desired icon and select the “Specification” option in the opened window.

In this way, you will see all the specifications of the desired symbol, including the contract size, for each lot.