What Is a GPA Calculator?
This GPA calculator converts your academic performance — whether you know it as a percentage, or as marks across your subjects — into an equivalent GPA on the 4.0, 5.0, or 10.0 scale.
If you already know your percentage, use "Percentage → GPA". If you only have your subject-wise marks, use "Marks → GPA" and the calculator will work out your percentage first, then convert it to GPA.
GPA Conversion Formula
Once your percentage is known, GPA is calculated using the following formulas depending on your scale:
How Does This Calculator Work?
Pick a Source
Choose Percentage → GPA or Marks → GPA.
Select Your Scale
Choose whether your GPA should be out of 4.0, 5.0, or 10.0.
Get Your GPA
Enter your values and convert instantly.
Why Conversion Formulas Vary
Different institutions use slightly different formulas to convert between percentage and GPA. This calculator uses the most widely accepted approximation for each scale — for anything official (transcripts, visa applications, job forms), always check your institution's stated formula.
Frequently Asked Questions
On a 10.0 scale, GPA is typically calculated as Percentage ÷ 9.5. On a 5.0 scale it's Percentage ÷ 20, and on a 4.0 scale it's Percentage ÷ 25.
Yes. Switch to "Marks → GPA", add your subjects with obtained and total marks, and the calculator will work out your percentage and GPA together.
It's the most commonly used approximation. Some universities publish their own official formula, so always confirm with your institution for documents that require an exact figure.
Yes. The calculator can be used online without creating an account.