5.0 CGPA to 4.0 GPA Converter
Convert your CGPA from a 5.0 scale to the 4.0 GPA scale instantly.
This is an estimate using a proportional formula. For official applications, use a credential evaluation service.
Enter Your 5.0-Scale CGPA
Formula Used
4.0 GPA = (CGPA on 5.0 ÷ 5.0) × 4.0
Example: CGPA 4.2 → (4.2 ÷ 5.0) × 4.0 = 3.36
Conversion Table
| 5.0 CGPA | 4.0 GPA | Classification |
|---|---|---|
| 5.00 | 4.00 | First Class |
| 4.75 | 3.80 | First Class |
| 4.50 | 3.60 | First Class |
| 4.00 | 3.20 | Second Class Upper |
| 3.75 | 3.00 | Second Class Upper |
| 3.50 | 2.80 | Second Class Upper |
| 3.00 | 2.40 | Second Class Lower |
| 2.50 | 2.00 | Second Class Lower |
| 2.00 | 1.60 | Third Class |
| 1.50 | 1.20 | Third Class |
| 1.00 | 0.80 | Below Pass |
Common 5.0-Scale Classifications
Common classifications — thresholds vary by institution.
For graduate school applications abroad, use an official credential evaluation service (WES, ECE) rather than online calculators.
Frequently Asked Questions
Use the proportional formula: 4.0 GPA = (5.0 CGPA ÷ 5.0) × 4.0. For example, a CGPA of 4.5 on a 5.0 scale converts to (4.5 ÷ 5.0) × 4.0 = 3.60 on a 4.0 scale.
The 5.0 scale is the standard in Nigerian universities and is also used elsewhere in West Africa. Grades run from A (5 points) to F (0), with no plus or minus grades. Students converting to 4.0 usually need it for applications to universities in the US or Canada.
Yes. A 4.5 CGPA on a 5.0 scale is equivalent to a 3.60 on a 4.0 scale, which is an excellent result and typically falls in the First Class or Distinction range at most institutions.
Most US universities use their own evaluation services (like WES or ECE) to assess foreign credentials. This tool gives an estimate. Always use an official credential evaluation service when applying to programs abroad.
Common degree classifications on the 5.0 scale: First Class / Distinction (4.5–5.0), Second Class Upper / Merit (3.5–4.49), Second Class Lower / Pass (2.4–3.49), and Third Class (1.5–2.39). Exact thresholds vary by institution.