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GPA / CGPA / Percentage Calculator

Calculate GPA, CGPA, and percentage with clear conversions for school and college grading systems.

100% client-side — your data never leaves this tab

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What is GPA / CGPA / Percentage Calculator?

GPA Calculator helps you compute semester GPA, cumulative CGPA, and percentage equivalents from your grades and credits. It is tailored for common university workflows where students need quick what-if planning before results are finalized.

Your grades and credits are processed entirely in-browser and never sent to a server.

How to use GPA / CGPA / Percentage Calculator

  1. 1Select whether you want GPA, CGPA, or percentage conversion.
  2. 2Enter each subject's credits and grade/score.
  3. 3Add all courses for the semester or cumulative period.
  4. 4Review the computed GPA/CGPA and use edits to test improvement scenarios.

Examples

Semester GPA example

Math (4 credits, A=9), Physics (3 credits, B+=8), English (2 credits, A=9) -> GPA = (4x9 + 3x8 + 2x9) / 9 = 8.67

CGPA to percentage

Formula varies by board/university.

CGPA 8.2 with rule Percentage = (CGPA - 0.75) x 10 -> 74.5%

Tips & common mistakes

  • Confirm your institute's grade-point mapping before final submission.
  • Do not average subject grades directly; always use credit-weighted calculation.
  • Save multiple scenarios to plan retakes or elective choices.

Who uses this tool?

  • College students estimating end-semester GPA before official results.
  • Graduates converting CGPA to percentage for job and admission forms.
  • Parents and mentors tracking academic performance trends.

Frequently asked questions

How is GPA different from CGPA?
GPA usually represents one semester or term, while CGPA reflects cumulative performance across multiple semesters.
Can I convert GPA to percentage accurately for all universities?
Use your institution's published conversion formula. There is no single universal formula accepted everywhere.
Why is my GPA lower than expected?
High-credit subjects strongly affect weighted GPA. A lower grade in a 4-credit course can reduce the overall score significantly.
Can this calculator handle backlogs or repeated subjects?
Yes, you can model retaken subjects by entering updated grade values and relevant credits to estimate revised outcomes.
Is this useful for scholarship eligibility checks?
Yes. You can quickly compare your estimated GPA/CGPA against scholarship or internship cutoffs.