Convert your grades to the German scale using the Modified Bavarian Formula
Modified Bavarian Formula
German Grade = 1 + 3 × ((Max − Your Grade) / (Max − Min Passing)). Used by most German universities for international grade conversion.
Is this official?
It's the most widely accepted formula, but some universities have their own tables. Always double-check with your target uni.
My country isn't listed
Choose "Other — Custom scale" and enter your system's max and min passing grades manually.