Nigeria vs Singapore Grading System
Enter your grade to convert between CGPA (5.0 Scale) / Class of Degree and CAP 5.0 (NUS/NTU) or GPA 4.0 (SMU)
A Bachelor's / first-degree grade β for graduate (Master's) admission or employment
Got a school-leaving qualification instead β A-levels, Class 12, WASSCE, the Abitur? Here's what actually happens to those.
Hover or tap a band to see what it means.
β οΈ Nigerian universities use a 5.0 scale, NOT 4.0. A 4.5/5.0 is First Class on the Nigerian scale β do not read it as a 4.5 on a 4.0 scale.
Hover or tap a band to see what it means.
β οΈ NUS/NTU use 5.0 CAP, SMU uses 4.0 GPA. Check which university issued your degree.
Enter a grade above to see what it means in Singapore
You'll get the classification it corresponds to, the range it falls in rather than a single false-precise number, and how firm that answer is.
How does the Nigeria grading system work?
Nigerian universities use a 5.0 CGPA scale β not 4.0. First Class Honours requires 4.50β5.00 CGPA.
β οΈ Nigerian universities use a 5.0 scale, NOT 4.0. A 4.5/5.0 is First Class on the Nigerian scale β do not read it as a 4.5 on a 4.0 scale.
Credential-evaluator source: University of Cambridge β Nigerian qualification equivalents (First = CGPA 4.5/5) Β· cross-checked against National Universities Commission (NUC), Nigeria Β· grading data verified 2026-07-24 Β· how we convert Β· report an error
How does the Singapore grading system work?
NUS and NTU use a 5.0 CAP scale. SMU uses a 4.0 GPA. Singaporean degrees are highly regarded internationally.
β οΈ NUS/NTU use 5.0 CAP, SMU uses 4.0 GPA. Check which university issued your degree.
Credential-evaluator source: Scholaro β Singapore grading system (credential-evaluation database) Β· cross-checked against Ministry of Education, Singapore Β· grading data verified 2026-07-24 Β· how we convert Β· report an error
Do Nigeria and Singapore mark to the same standard?
No β and it is the difference in marking culture, not the arithmetic, that makes a direct comparison mislead. Here is how each country actually uses its own scale.
What a good grade means in Nigeria
Nigerian classification is strict, and it travels better than most applicants expect. A First Class is genuinely rare, and Cambridge's own equivalence table treats a Nigerian First (CGPA 4.5/5, or 70%) as matching a UK First β independent confirmation from a named institution that the classification is understood abroad. A 2:1 is a solid, competitive result for master's applications across the UK, Ireland and Australia, and you should present it as such rather than apologising for the number.
What a good grade means in Singapore
Singaporean degrees are highly regarded internationally, and the grading is demanding: NUS and NTU run bell-curve moderation, so grades reflect standing within a strong cohort rather than an absolute mark. That makes a CAP of 4.0 a genuinely good result even though, mapped to US letters, it sits at a B+ rather than an A. The honours class is the signal to lead with abroad, because Highest Distinction and Distinction are understood in Commonwealth terms in a way a raw 5.0-scale number is not.
Will a grade from Nigeria get you into Singapore?
Singapore universities typically ask for 3.50 / 5 for a taught master's β a one-to-two-year postgraduate degree made mostly of classes. On Nigeria's scale that is roughly 2.58β3.31 / 5 (Second Class Lower (2:2)). Singapore states this as an honours class rather than a CAP figure β Honours (Merit) / Second Class and above, which begins at 3.5 on the 5.0 CAP scale modelled here. NTU's published bar is looser still ("at least a good Bachelor degree"). Both universities stress that meeting the minimum does not imply admission, because selection is competitive against the rest of the applicant pool.
NUS Faculty of Arts & Social Sciences β graduate coursework admission requirements Β· checked 2026-07-25 Β· the figure in your own terms is a double conversion, so it is a range. how this is worked out
WES maps Nigerian class of degree using classification bands. First Class (4.5β5.0) β approximately 3.7β4.0 US GPA.
What goes wrong converting grades from Nigeria to Singapore?
Both countries mark on the same 0β5 range, which makes a direct comparison look safe when it is not: the same number sits at a different point in each country's distribution, and the pass marks differ (1.50 in Nigeria, 2.00 in Singapore).
Mistakes specific to Nigeria grades
- Letting a university read your CGPA against a 4.0 scale. Always write "4.20 on a 5.0 scale" β never the bare number.
- Converting a percentage as though it were a CGPA. A Nigerian 72% is a First Class; entered into a 5.0 CGPA field it becomes meaningless.
- Assuming your degree certificate or NYSC discharge is enough. Evaluators want the academic transcript, which is a different document.
What should you do next, applying from Nigeria to Singapore?
- Check the course, not the country. Entry requirements are set per programme and revised every cycle. The 3.50 / 5 above is the typical bar, not a guarantee β selective courses ask for more.
- Confirm which scale your transcript uses. Nigeria awards grades on more than one scale (CGPA (5.0), Percentage (0β100)), and the same number means different things on each. Pick the matching one in the converter before you trust the result.
- Check whether an evaluation is even required. Unlike the US and Canada, Singapore universities commonly assess foreign transcripts in-house. Confirm on the course page before paying for a report you may not need.
- Get your documents moving early. WES requires the academic transcript sent directly by your university, plus the degree certificate or a statement of result. Nigerian institutions are often slow to dispatch these, and that delay is the most common cause of missed application deadlines from Nigeria β start months earlier than feels necessary. Check your transcript states the CGPA scale explicitly; if it does not, ask for a covering letter that does.
- Read both systems in full. How Nigeria grading works Β· How Singapore grading works
What do these grading terms mean?
- CGPA (Cumulative Grade Point Average)
- The same idea as a GPA but covering your whole degree rather than one term β the scale differs by country (India 10, Nigeria 5.0, Pakistan 4.0), so the number alone means nothing without its scale.
- GPA (Grade Point Average)
- The US way of expressing an overall grade, on a 0β4.0 scale where 4.0 is the top β so a 4.0 is roughly what a 90β100% or a First Class would be elsewhere.
- Degree classification
- A named band your final result falls into β First Class, 2:1, Distinction β used across the UK, Ireland, Nigeria, India and much of the Commonwealth instead of a single number.
- First Class Honours
- The top degree classification, awarded to a small minority of graduates β usually 70%+ in the UK and Ireland, or a CGPA of 4.50+ on Nigeria's 5.0 scale.
- 2:1 (Upper Second Class)
- The second-highest degree class, and the grade most UK and Irish master's courses ask for β usually 60β69%.
- Credential evaluation
- A paid report from an approved company that restates your foreign qualification in local terms, which many US and Canadian universities require before they will assess you.
Frequently asked questions
What is a 4.50 from Nigeria on Singapore's scale?
Approximately 4.67β5.00 / 5 β Honours (Highest Distinction). That is a range rather than a single number because grade conversion is an estimate, and the range widens where either country's data is less certain. Enter your own grade in the converter above for your figure.
Can you study a master's in Singapore with a degree from Nigeria?
Yes β universities in Singapore typically ask for 3.50 / 5 on their own scale. On Nigeria's scale that is roughly 2.58β3.31 / 5 (Second Class Lower (2:2)). Singapore states this as an honours class rather than a CAP figure β Honours (Merit) / Second Class and above, which begins at 3.5 on the 5.0 CAP scale modelled here. NTU's published bar is looser still ("at least a good Bachelor degree"). Both universities stress that meeting the minimum does not imply admission, because selection is competitive against the rest of the applicant pool. Published by NUS Faculty of Arts & Social Sciences β graduate coursework admission requirements, checked 2026-07-25.
What grade do you need in Nigeria for a master's in Singapore?
About 2.58β3.31 / 5 β Second Class Lower (2:2). That is Singapore's published bar of 3.50 / 5 restated on Nigeria's scale, so it is a conversion of a conversion and is shown as a range for that reason. Competitive courses ask above the published minimum, so treat it as the floor rather than the target.