Why does CGPA matter?

Your CGPA is the credit-weighted average across your whole programme. A strong or weak high-credit semester moves it more than a light one.

What are common cgpa mistakes?

Averaging semester GPAs without weighting by credits.

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CGPA Calculator

Cumulative GPA across all semesters weighted by credits.

Best for: Use it to track standing toward honours or scholarship thresholds, or to project the CGPA you need next term to hit a target.

Complete guide

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Semester GPA

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How it's calculated & sources

The CGPA Calculator uses the standard method for this calculation. It runs entirely in your browser, so your inputs are never uploaded. Last reviewed June 2026.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

How it works

CGPA = Σ (Semester GPA × Credits) / Σ Credits

Each semester is weighted by the number of credits attempted that term.

Example

Two semesters with GPAs 3.5 (15cr) and 3.8 (18cr) yield CGPA = (3.5×15 + 3.8×18) / 33 = 3.66.

Frequently asked questions

What is the difference between GPA and CGPA?+

GPA is for a single semester. CGPA is the cumulative average across all semesters.

Do failed courses count?+

Yes, include all attempted credits. Some institutions exclude retakes — adjust credits accordingly.

Continue your journey

Where people usually head next.

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GPA Calculator

Calculate semester GPA using the 4.0 scale weighted by credits.

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SGPA Calculator

Semester Grade Point Average for a single term.

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Grade Calculator

Convert marks to letter grades with percentage breakdowns.

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Marks Percentage Calculator

Find percentage from obtained and total marks.

Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is CGPA?: A CGPA calculator combines your semester GPAs (or all course grades) into a single Cumulative Grade Point Average, weighted by credit hours.
Why does CGPA matter?: Your CGPA is the credit-weighted average across your whole programme. A strong or weak high-credit semester moves it more than a light one.
How is CGPA calculated?: Multiply each semester's GPA by its credits, sum those, and divide by total credits — so heavier semesters count more. Equivalently, average all course grade points weighted by credits. Formula: CGPA = Σ(Semester GPA × Semester credits) ÷ Σ(credits).
What is a good cgpa?: Scales differ — many systems use 10-point CGPA, others 4.0. Some institutions convert CGPA to a percentage with a fixed multiplier (for example CBSE uses CGPA × 9.5); always use your institution's official rule.
What are common cgpa mistakes?: Averaging semester GPAs without weighting by credits.
When should you use the CGPA Calculator?: Use it to track standing toward honours or scholarship thresholds, or to project the CGPA you need next term to hit a target.

What is the CGPA Calculator?

A CGPA calculator combines your semester GPAs (or all course grades) into a single Cumulative Grade Point Average, weighted by credit hours.

How the CGPA Calculator works

Multiply each semester's GPA by its credits, sum those, and divide by total credits — so heavier semesters count more. Equivalently, average all course grade points weighted by credits.

CGPA = Σ(Semester GPA × Semester credits) ÷ Σ(credits)

What's a typical value?

Scales differ — many systems use 10-point CGPA, others 4.0. Some institutions convert CGPA to a percentage with a fixed multiplier (for example CBSE uses CGPA × 9.5); always use your institution's official rule.

Common US 4.0 GPA scale (letter → grade points)

A	4.0	93–100
A−	3.7	90–92
B+	3.3	87–89
B	3.0	83–86
B−	2.7	80–82
C+	2.3	77–79
C	2.0	73–76
D	1.0	60–69
F	0.0	Below 60

Worked example

Semester 1: 8.0 over 20 credits; Semester 2: 9.0 over 20 credits: CGPA = (160 + 180) ÷ 40 = 8.5

Common mistakes to avoid

Averaging semester GPAs without weighting by credits.
Mixing a 10-point and a 4.0 scale without converting.
Using an unofficial percentage-conversion multiplier.

Keywords: cgpa, cumulative, gpa.

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the CGPA Calculator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the CGPA Calculator?+

CGPA Calculator uses the standard cgpa formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The CGPA Calculator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the CGPA Calculator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Complete guide

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What is the CGPA Calculator?

How the CGPA Calculator works

What's a typical value?

Common US 4.0 GPA scale (letter → grade points)

Worked example

Common mistakes to avoid

Frequently asked questions

Explore more

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