If you wish to calculate the GPA or Grade Point Average in Microsoft Excel or other Excel editor, you can use this formula.

In Excel, there are two ways of calculating the weighted average with percentages: using the SUM function and using the SUMPRODUCT function. Let us have a look at these 2 methods in detail.

To calculate letter grades based on a percentage score, you can use multiple nested IF statements in Excel, which can get rather complicated quickly. However, there is an easier way.