Percentage to CGPA Calculator

About this calculator

This calculator turns a percentage into a CGPA (Cumulative Grade Point Average) on the grading scale you choose. Different countries report academic results on different scales — India’s CBSE uses a 10-point scale, the US and Canada a 4.0 scale, and Australia a 7.0 scale, among others. Pick the scale that matches your transcript, enter your percentage, and the calculator returns the CGPA plus its US 4.0 GPA equivalent.

How to read your results

The headline is your CGPA on the selected scale, written as a value out of that scale’s maximum (for example 9.2 / 10 or 3.6 / 4.0). Beneath it, the formula echo shows exactly how the figure was reached: your percentage divided by the scale’s factor. The comparison bars project the same percentage onto every supported scale at once, with the active scale highlighted, so you can see how your result reads in each system. When a value would land above the scale’s top grade it is capped at the maximum, and a note explains why.

How it's calculated

The conversion divides the percentage by a scale-specific factor and clamps the result to the scale’s maximum grade point: CGPA = min(maxPoint, percentage ÷ factor). For the Indian CBSE 10-point scale the factor is the officially-published 9.5. For the other scales the factor is the linear value 100 ÷ maxPoint — 25 for the 4.0 scale, 20 for the 5.0 scale, 100/7 for the Australian 7.0 scale, and 100/4.5 for the South Korean 4.5 scale — so those conversions are approximate. The 4.0 GPA equivalent rescales the resulting CGPA: GPA₄ = min(4, (CGPA ÷ maxPoint) × 4). Inputs are validated so the percentage falls within [0, 100].

Worked example

A student scored 87.4% and is reporting on the Indian CBSE 10-point scale.

CGPA = 87.4 ÷ 9.5 = 9.2 on the 10-point scale. The 4.0-scale equivalent is (9.2 / 10) × 4 = 3.68 / 4.0.

Frequently asked questions

Which scale should I choose?

Choose the scale your institution uses to report results. CBSE 10-point is standard for Indian school boards; the 4.0 scale is common in the US and Canada; the 7.0 scale is used in Australia; the 4.5 scale in South Korea; and the generic 5.0 scale appears in parts of Europe and elsewhere. If you are unsure, check your transcript or grading policy.

Why is the CBSE factor 9.5 and not 10?

CBSE (Central Board of Secondary Education) published 9.5 as the multiplier between CGPA and percentage for Class X. It was derived empirically by aligning grade-point ranges with their percentage bands, so percentage = CGPA × 9.5 and the reverse, CGPA = percentage ÷ 9.5. This 9.5 factor is the only officially published one among the scales here.

Are the other scales official?

No. Only the CBSE 10-point conversion is officially published. The 4.0, 5.0, 7.0 and 4.5 conversions in this tool are linear approximations (percentage ÷ (100 / maximum point)). They are useful for a quick estimate but institutions abroad rarely accept a formula in place of a transcript evaluation — always confirm with the official body.

Why does 100% on the CBSE scale show 10 and not 10.53?

Dividing 100 by 9.5 gives 10.53, which is above the 10-point maximum. A CGPA cannot exceed the scale’s top grade, so the result is capped at 10 and a note flags that the value was clamped. The same capping applies on every scale.

How accurate is the 4.0 GPA equivalent?

The 4.0 equivalent is a proportional rescaling of your CGPA: (CGPA ÷ scale maximum) × 4. It gives a rough indication for international applications but is not an official conversion — US universities run their own transcript evaluations and do not universally accept this formula.

Sources

• www.cbse.gov.in/circulars/cir24-2010.pdf
• en.wikipedia.org/wiki/Academic_grading_in_India
• en.wikipedia.org/wiki/Academic_grading_in_the_United_States

Reviewed by the YouCalc Team · Last reviewedMay 24, 2026