GPA Calculator
Calculate your GPA from each course’s grade points and credits using a credit-weighted average.
Formula last reviewed 4 August 2026 · How we verify our calculators
GPA
- Total credits
- 7
- Courses counted
- 2
Updates live as you type
Frequently asked questions
GPA is a credit-weighted average: multiply each course’s grade points by its credits, add those up, and divide by the total credits. Higher-credit courses therefore influence your GPA more.
Yes. Enter grade points on whatever scale your institution uses — the weighting maths is identical, and your GPA will be on the same scale as your inputs.
If every course carries the same credits, the credit-weighted GPA equals the simple average of your grade points.
First map each letter to its grade-point value from your grading scheme (for example A = 4.0), then enter those numbers here.
Why 4 and 3 average to 3.43, not 3.5
Grades of 4 and 3 across courses worth 3 and 4 credits give a GPA of 3.43 — not the 3.5 a plain average would suggest.
The difference is credit weighting, and it is the entire point of a GPA. The grade 3 was earned in a heavier course, so it pulls the average down more than the 4 pulls it up. Courses are not equal, and a GPA that treated them as equal would misrepresent the work.
The formula
GPA = Σ (grade point × credits) ÷ Σ credits
Working the example:
- Course 1: 4 × 3 = 12 grade points
- Course 2: 3 × 4 = 12 grade points
- Total grade points = 24
- Total credits = 3 + 4 = 7
- GPA = 24 ÷ 7 = 3.43
Had both courses carried equal credits, the answer would be exactly 3.5. The 0.07 difference is the weighting doing its work, and across a full semester the effect is considerably larger.
Grade point scales
The 4.0 scale is standard in the US and in many Indian private universities:
- A / A+ — 4.0
- A− — 3.7
- B+ — 3.3
- B — 3.0
- C — 2.0
- D — 1.0
- F — 0.0
Indian universities more commonly use a 10-point scale, where the arithmetic is identical and only the numbers change. AICTE and most technical universities use 10-point; several central universities use it under the Choice Based Credit System.
The formula does not care which scale you use, provided you are consistent. Mixing a 4-point grade into a 10-point calculation produces a meaningless result.
What counts as a credit
A credit generally represents contact hours per week across a semester — a 4-credit course typically involves four hours of lectures weekly, or a combination of lectures, tutorials and lab work. Laboratory and project courses often carry fewer credits per contact hour, since the expected outside-class effort is lower.
This matters for strategy: a 1-credit seminar affects your GPA far less than a 4-credit core course, so effort allocated purely by GPA impact should follow the credits.
Reading the result
A GPA summarises but does not explain. Two students with identical 3.43 GPAs may have entirely different profiles — one consistent across everything, one excelling in their major and weak elsewhere. Most graduate admissions look at the major GPA and the transcript trend as well as the headline figure, and an upward trajectory is generally read more favourably than a flat one at the same average.
Note also that failed and repeated courses are handled differently by different institutions. Some replace the original grade, some average both attempts, and some count both in the credit total while using only the higher grade. Check your institution's policy before predicting an outcome.
Common mistakes
Averaging grades without weighting by credits. It is the most common error and it distorts the result.
Mixing scales. A 4-point and a 10-point grade cannot go into the same calculation.
Including audited or pass/fail courses. These usually carry credits but no grade points, and including them as zeros is badly wrong.
Forgetting repeated courses. Institutional policy varies and changes the answer.
Treating GPA as the only signal. Major GPA, trend and course difficulty all carry weight in admissions.