CGPA Calculation Made Easy: Converting Between 5.0 and 4.0 Scales

Many students find CGPA calculations confusing, especially with the NUC’s shift to the 4.0 scale while most schools still use 5.0. Here’s a quick guide: On a 5.0 scale, grades are A=5, B=4, C=3, D=2, E=1, F=0. On a 4.0 scale, grades are A=4, B=3, C=2, D=1, E/F=0. Degree classifications on the 5.0 scale: • First Class: 4.50–5.00 • Second Class Upper: 3.50–4.49 • Second Class Lower: 2.40–3.49 • Third Class: 1.50–2.39 To convert a 5.0 CGPA to the 4.0 scale for international applications, multiply by 0.8. I’ve also created a free online calculator to help you check your CGPA quickly on a reputable educational tools platform.

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