ToolFactory

GPA Calculator

GPA Calculator: free, instant and private. Credit-weighting is where self-calculations go wrong: an A in a 4-credit course pulls twice as hard as an A in a 2-credit lab.

How the GPA Calculator works

The GPA Calculator takes Grade points and credits per line (e.g. "9 4"), Scale and returns the answer instantly — no button to hunt for, no page reload. Credit-weighting is where self-calculations go wrong: an A in a 4-credit course pulls twice as hard as an A in a 2-credit lab. The (GPA − 0.75) × 10 conversion is the widely used CBSE-style mapping — some universities publish their own table, so check before quoting a percentage on a form.

Enter your own numbers to replace the example values; the result panel updates as you type. Everything runs in this single page, so nothing you enter leaves your device.

Formula used

GPA = Σ(grade point × credits) ÷ Σ(credits)

SymbolMeaning
grade pointon your university's 10-point or 4.0 scale
creditsthe course's weight — labs usually count less
percentage10-point: (GPA − 0.75) × 10; 4.0 scale: GPA × 25

Credit-weighting is where self-calculations go wrong: an A in a 4-credit course pulls twice as hard as an A in a 2-credit lab. The (GPA − 0.75) × 10 conversion is the widely used CBSE-style mapping — some universities publish their own table, so check before quoting a percentage on a form.

Inputs used: Grade points and credits per line (e.g. "9 4"), Scale.

Worked example

Take the default example — grade points and credits per line (e.g. "9 4") of 9 4 8 3 10 2, scale set to 10-point (SGPA/CGPA):

Frequently asked questions

What formula does the GPA Calculator use?
It uses GPA = Σ(grade point × credits) ÷ Σ(credits), where grade point is the on your university's 10-point or 4.0 scale; credits is the the course's weight — labs usually count less; percentage is the 10-point: (GPA − 0.75) × 10; 4.0 scale: GPA × 25.
Is the GPA Calculator free?
Yes. There is no signup, no usage limit and no watermark — the checker runs entirely in your browser.
How do I read the result?
Credit-weighting is where self-calculations go wrong: an A in a 4-credit course pulls twice as hard as an A in a 2-credit lab. The (GPA − 0.75) × 10 conversion is the widely used CBSE-style mapping — some universities publish their own table, so check before quoting a percentage on a form.
Does the GPA Calculator store or send my data?
No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
Does it work on a phone and offline?
Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.