Zerdly

GPA Calculator

Calculate your semester or cumulative GPA by entering course grades and credit hours, free and instant right in your browser.

100% FreeRuns in your browserBasic
How to use this calculator

Courses

Course (optional)Grade ptsCredits

Enter grade points on your scale (e.g. A=4, B=3, C=2). Runs in your browser; nothing is uploaded.

Result

3.50
Weighted GPA
6
Total credits

How to use this calculator

  1. Add each course with its grade points and credit hours.
  2. Read your weighted GPA and total credits.

How it works

GPA = Σ(grade points × credits) ÷ Σ(credits). Enter grade points on your own scale (e.g. A=4).

Worked example

A(3cr), B(3cr), A−(4cr). ≈ 3.58 GPA over 10 credits.

Common mistakes

  • Forgetting to weight each grade by its credit hours.
  • Mixing different GPA scales (4.0 vs 7.0).

Tips

  • Runs entirely in your browser. Your inputs are not saved or transmitted.

Frequently asked questions

How is GPA calculated?

Multiply each grade's points by its credit hours, add them up, and divide by the total credit hours.

What's a weighted GPA?

One where harder courses (e.g. honours) carry extra grade points — check your school's scale.

Which grade scale?

Enter the grade points your school uses — the tool is scale-agnostic.

Privacy?

Runs entirely in your browser. Your inputs are not saved or transmitted.

Related tools

Explore more in Maths, Education & Science.

Cite this tool

Zerdly. (2026). GPA Calculator. Retrieved from https://www.zerdly.com/tools/gpa-calculator/

Tip: Enter any known values to calculate the remaining results.

All calculations run in your browser. Your inputs are never saved or transmitted.