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GPA Calculator
Calculate a credit-weighted GPA on a 4.0 scale from course grade points and credits.
GPA Calculator
Credit-weighted GPA
Enter course grade points and credits.
Formula version 1.0.0
How to use this calculator
- Add each course with its grade points and credits.
- Use grade points from your institution's own scale.
- Select Calculate.
- Review total quality points, total credits, and the credit-weighted GPA.
Symbols and units
| Symbol | Meaning | Unit or domain |
|---|---|---|
gᵢ | Grade points for course i | 0.0–4.0 |
cᵢ | Credits for course i | credits |
GPA | Credit-weighted grade-point average | grade points |
Checked examples
Two-course GPA
Inputs: 4.0 for 3 credits; 3.0 for 1 credit
Calculation: (4×3 + 3×1) ÷ (3+1)
Result: 3.75 GPA
The three-credit course has three times the influence.
Check: gpa.test.ts
Zero-grade course
Inputs: 0.0 for 3 credits
Calculation: 0×3 ÷ 3
Result: 0.00 GPA
A valid zero grade point is retained in the weighted mean.
Check: gpa.test.ts
Assumptions, rounding, and limits
- Grade points are on a 0.0–4.0 scale.
- Credits are positive weights.
- All included courses count toward the same GPA.
- Institution-specific repeats, pass/fail rules, transfer credits, and rounding are not modeled.
Frequently asked questions
Does this convert letter grades?
No. Enter the grade-point value assigned by your institution.
Why are credits used?
Credits weight courses so higher-credit courses contribute more to the GPA.
Will this match my official transcript?
Not necessarily; institutions may apply special inclusion and repeat-course policies.
Sources and review
- OpenStax: Measures of Center — Weighted Mean — Weighted mean
- Formula version
- gpa.weighted@1.0.0
- Formula review
- Equatara formula review
- Editorial review
- Equatara editorial review
- Last verified
- 2026-10-25
- Applicability
- Credit-weighted arithmetic mean on a 4.0 scale; institutional rules excluded.
- Next review
- On material formula/source change, or by 2028-10-25.
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Found a problem?
Report a formula, result, example, source, or accessibility issue through the calculator correction process. Do not include sensitive input values.