Percentage & GPA Calculator

Two tools in one page — pick whichever sum you need.

What are you finding?

Marks → Percentage Percentage change

Marks obtained

Total marks

Percentage formulas explained

To convert marks to a percentage, divide the marks obtained by the total marks and multiply by 100. To find a percentage change between two values, subtract the original value from the new value, divide by the original value, then multiply by 100.

How do I convert percentage to GPA?: GPA scales vary by institution — most 4.0 scales roughly map 90%+ to a 4.0, with each 10-point band typically stepping down by about 1.0. Check your specific institution's conversion table for exact figures.