Percentage to GPA Converter

Introduction to percentage-to-GPA conversion

A percentage and a grade point average measure the same thing — how well you did — but they are written in different languages, and translating between them is not arithmetic. It is a lookup. Almost every grading system in the world stores its meaning in a band table: a list of percentage cutoffs, each attached to a letter and a grade point. Converting a percentage means finding which band contains your mark and reading off the value beside it. Change the table and the same mark changes grade, without your work changing at all.

That is why a converter has to be explicit about which table it is using, and this one is. Six scales are built in: the US straight scale, the US plus/minus scale, the UK honours classification, the UGC 10-point system used across Indian universities, the CBSE Class 9–10 formula, and a common Canadian 4.0 scale. Each result on this page shows the entire band table it came from, with your band highlighted, so nothing about the mapping is hidden behind a number.

There is exactly one case on this page where a real formula exists rather than a table. The Central Board of Secondary Education publishes an indicative relationship between grade point and marks in Circular 24/2010, and because it is a straight multiplication it can be inverted to go from a percentage back to a CGPA. Every other scale here is a table of cutoffs chosen by an institution, and any page that presents those as a universal formula is inventing precision that does not exist.

How to use the percentage to GPA converter

The converter needs one number and one choice. Everything else is optional context that sharpens the answer.

1. Percentage score: your overall mark on a 0–100 basis. Decimals are accepted, and they matter — 89.4 and 89.6 can land on opposite sides of a cutoff once your institution rounds.
2. Grading scale: the system you want the mark expressed in. Pick the scale the receiving institution uses, not the one your transcript came from; the point of the conversion is to speak their language.
3. Optional target: a benchmark grade point such as 3.5 or 8.0. The field is validated against the scale you chose, so a target of 8.0 on a 4.0 scale is rejected rather than silently reported as an enormous shortfall.

After you convert, read three things and not just the headline number. The band range tells you how much room you have inside your current grade. The gap to the next band tells you how many percentage points separate you from the grade above, which is the number that actually matters when you are deciding whether to query a mark. The scale ruler shows every cutoff on the chosen scale at once, so you can see whether you landed in the middle of a wide band or one-tenth of a point below a line. Use the share link button to keep a permalink that reopens the page with the same mark, scale and target already filled in.

The band formula that every scale on this page uses

Write the chosen scale as a descending list of cutoffs > > … > = 0, with grade point attached to cutoff . The converted value for a percentage is then the grade point of the first band whose floor your mark clears:

Plain-text formula: gradePoint = bands.find(band => percentage >= band.min).value, with the bands sorted from the highest cutoff downwards. Bands are half-open: the top of band k is one step below , so a scale with an A- floor at 90 puts 89.99 in B+ territory and 90.00 in A-.

The distance that decides borderline cases is the gap between your mark and the floor of the band above it:

The converter prints this gap in percentage points and flags it when it is under one point, because that is the region where institutional rounding, moderation and borderline policies decide the outcome instead of the table.

The CBSE formula, the one genuine equation here

CBSE Circular 24/2010 defines the indicative percentage from a grade point as a multiplication by 9.5, derived from the observation that the five-year average mark of candidates in the top 91–100 band was close to 95, and 95 divided by the band's grade point of 10 gives 9.5:

Plain-text formula: cgpa = min(10, percentage / 9.5). The cap matters: 9.5 × 10 is 95, so any mark above 95% already sits at the ceiling of the scale and the inversion has to clamp rather than report a CGPA of 10.5.

Turning single grades into a transcript GPA

Converting one overall percentage is not the same job as computing a GPA across courses. A transcript GPA is a credit-weighted mean of per-course grade points, so each course is converted first and only then averaged:

Here is the grade point for course i and its credit weight. Converting an already-averaged percentage is not equivalent to this sum unless every course carried the same credits and no course sat near a cutoff, which is exactly why credential evaluators ask for a full transcript rather than a single figure.

The six scales and where their numbers come from

Two entries in that table deserve a warning label. The UGC row fixes grade points — the ladder from 10 down to 0 is genuinely UGC's — but UGC does not fix the marks bands, so your university's handbook sets where O begins. And the Canadian row is a convention, not a rule: a mark of 85% is an A at many Canadian universities and an A- at others, which is a two-tenths swing in reported GPA.

Worked example: one mark of 85% read six ways

Take a single overall mark of 85% and push it through every scale on the page. Nothing about the student's work changes between rows; only the table changes.

The spread is the lesson. On the US scales this student reports a 3.0; on the Canadian scale the identical mark reports a 4.0, a full grade point of difference produced entirely by where two committees drew a line. The CBSE row shows the difference between a formula and a table: 85 ÷ 9.5 = 8.947, which rounds to 8.95 and moves continuously as the mark moves, whereas the UGC row sits flat at 9.0 anywhere from 80 to 89.

The plus/minus row is the one most students get wrong. Because 85% sits in the middle of the 83–86 B block, moving up to a B+ needs only two more percentage points, but moving up to the 3.7 of an A- needs five. A gap of two points is the kind of margin a remark or a reweighted assignment can genuinely close, which is why the converter prints the gap rather than only the grade.

Limitations you should read before quoting a converted GPA

This converts one number, not a transcript. Repeats, withdrawals, pass/fail entries, audited courses, credit-hour differences and honours weighting are all invisible to a single percentage. If an application asks for a cumulative GPA, it is asking for the weighted sum above, computed course by course.

Rounding policy is institutional and unknowable from here. Whether 69.6% becomes a 2:1 depends on whether your university rounds to the nearest integer before classifying, applies a borderline zone, or requires a profile of marks in the higher band. The converter applies the cutoffs exactly as written and does no rounding of its own.

No scale here is a national standard except CBSE's multiplier. The US has no federal grading scale, Canada has no national scale, and UGC sets grade points but not marks bands. Where an institution or a credential evaluator publishes its own table, that table wins, and a converted figure that disagrees with it is simply wrong for that application.

Cross-scale numbers are not equivalent achievements. A UK First and a US 4.0 are not the same statistical event: UK marking rarely awards above 80% at all, so a 75% UK average is a strong First while a 75% US average is a C. Converting a UK percentage onto a 4.0 scale by band table produces a number, but it does not transfer the distribution, and this is the single largest source of inflated self-reported GPAs on international applications.

The indicative UK grade points are the weakest numbers on the page. UK degrees are classified, not graded on points, so the 4.0-style values attached to First, 2:1, 2:2 and Third exist only to let the optional target comparison work. Quote the classification, not the number.

Questions students ask about GPA conversion

Sources. CBSE Circular No. 24/2010 defines the indicative percentage as 9.5 multiplied by the grade point for Class 9 and 10 results, which is the only published formula used on this page. The Indian 10-point option follows the UGC Choice Based Credit System letter ladder (O, A+, A, B+, B, C, P, F carrying grade points 10, 9, 8, 7, 6, 5, 4 and 0); UGC fixes those grade points while individual universities fix the marks bands, so the bands shown here are the widely published interpretation rather than a UGC mandate. UK boundaries of 70, 60, 50 and 40 percent for First, 2:1, 2:2 and Third are the standard classification lines used by UK degree-awarding bodies. The US and Canadian tables are conventions, not standards, because neither country has a national grading scale. For any official application, the conversion table published by the receiving institution or by a credential evaluator such as WES takes priority over this page.