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Why a percentage does not travel
Seventy percent is an outstanding result in Britain and a mediocre one in the United States. Sixty percent is a first class mark in India and a failing grade in America. These are not small differences of calibration; they are entirely separate systems that happen to share the word percent, and reading one as though it were the other is the single most common mistake on an international application.
The reason is that British and Indian examiners mark against an absolute standard where full marks are close to theoretically unattainable. An essay awarded seventy five in a British university is exceptional, and marks above eighty five are so rare that many departments have internal rules about awarding them. American coursework, by contrast, is usually built so that a competent student can approach a hundred, which pushes the whole distribution upward and puts the pass mark around sixty rather than forty.
The systems covered here
Eight scales are built in, and each one carries its own set of bands rather than a single formula applied to everything.
| System | Top band | Pass mark |
|---|---|---|
| United States | 93% and above is an A | 60% |
| India, CGPA out of 10 | 9.0 and above | 4.0 |
| India, percentage | 85% and above | 40% |
| Pakistan, board percentage | 80% is an A+ | 40% |
| United Kingdom | 70% is a First | 40% |
| Germany, Note | 1.0 is the best mark | 4.0 |
| Canada | 85% and above | 50% |
| Australia | 85% is a High Distinction | 50% |
Two of these deserve a note. The German scale runs backwards, so 1.0 is the best mark available and anything above 4.0 has failed; the converter reads it in that direction rather than treating a low number as a poor result. And Pakistani universities operating under the Higher Education Commission already report a grade point average on the four point scale, so a Pakistani degree transcript usually needs no conversion at all — it is the intermediate and secondary board percentages that do.
How far to trust the number
Treat the result as a good estimate and nothing more. There is no official worldwide conversion table, and there is no authority that publishes one. The equivalences used here are the ones American admissions offices and credential evaluation services generally work from, but individual universities publish their own tables and those tables disagree with each other in the middle of the range far more often than at the extremes.
In practice, most American graduate programmes do not want you to convert anything. They ask for your transcript exactly as your institution issued it, and either evaluate it themselves or require a report from a service such as WES or ECE. Converting your own grades and reporting the converted figure as though it were official can look careless at best. Use this tool to understand where you stand and to judge whether a programme is realistic — then submit your real marks.
One further caution about the Indian ten point scale. Multiplying a CGPA by 9.5 to reach a percentage is a CBSE rule, and it was never meant to apply to university results. Many Indian universities publish their own conversion factor in the transcript key, and some deliberately refuse to publish one at all. If your university states a factor, that factor is the correct one for you.
Going the other way
If you already work in the American system and want to see how letters, percentages and grade points line up, the GPA scale page lays the whole table out. To build a GPA from a list of courses rather than convert a single figure, use the college GPA calculator. British students who want a classification rather than a GPA should start with the UK degree classification calculator, which weights each year of the degree the way a British university does.