Grading System in Nigeria

Nigeria GPA calculator

Grading scales:



Most Common

Grade Scale Grade Description US Grade
A 70.00 - 100.00 First Class Honours (5) A
AB 70.00 - 100.00 A
B 60.00 - 69.99 Second Class Honours, Upper (4) B+
BC 60.00 - 69.99 B+
C 50.00 - 59.99 Second Class Honours, Lower (3) B
CD 50.00 - 59.99 B
D 45.00 - 49.99 Third Class (2) C+
E 40.00 - 44.99 Pass (1) C
F 0.00 - 39.99 F

5-point University

University of Lagos

The Federal University of Technology

Grade Scale Scale 2 US Grade
A 70.00 - 100.00 5.00 A
B 60.00 - 69.00 4.00 AB
C 50.00 - 59.00 3.00 B
D 45.00 - 49.00 2.00 BC
E 40.00 - 44.00 1.00 C
F 0.00 - 39.00 0.00 F

West African Senior School Certificate (WASSCE)

West African School Certificate replaced the West African General Certificate of Education Ordinary and Advanced levels (GCE ‘O’ and ‘A’ levels) in 1989.

Grade Scale Grade Description US Grade
A1 1.00 - 1.99 Excellent A+
B2 2.00 - 2.99 Very Good A
B3 3.00 - 3.99 Good B
C4 4.00 - 4.99 Credit B
C5 5.00 - 5.99 Credit C
C6 6.00 - 6.99 Credit C
D7 7.00 - 7.99 Pass D
E8 8.00 - 8.99 Pass D
F9 9.00 Fail F

General Certificate of Education (GCE)

Grade US Grade
A A
B B
C B
D C
E C

National Examinations Council (NECO) Senior School Certificate

Grade Grade Description US Grade
A1 Excellent A+
B2 Very Good A
B3 Good B
C4 Credit B
C5 Credit C
C6 Credit C
D7 Pass D
D/E8 Pass D
F9 Fail F

University of Ilorin

Grade Scale Scale 2 US Grade
A 70.00 - 100.00 5.00 A
B 60.00 - 69.99 4.00 AB
C 50.00 - 59.99 3.00 B
D 45.00 - 49.99 2.00 C
F 0.00 - 44.99 0.00 F

Auchi Polytechnic

Grade Scale US Grade
A 75.00 - 100.00 A
AB 70.00 - 74.00 AB
B 65.00 - 69.00 B+
BC 60.00 - 64.00 B
C 55.00 - 59.00 B-
CD 50.00 - 54.00 BC
D 45.00 - 49.00 C+
E 40.00 - 44.00 C
F 0.00 - 40.00 F

Babcock University

Grade Scale US Grade
A 80.00 - 100.00 A
B 60.00 - 79.00 B+
C 50.00 - 59.00 B
D 45.00 - 49.00 C+
E 40.00 - 44.00 C
F 0.00 - 39.00 F

Bayero University, Kano (Graduate Programs)

Master's and PhD programs (all others use Most Common scale)

Grade Scale US Grade
A 70.00 - 100.00 A
B+ 65.00 - 69.00 A-
B 60.00 - 64.00 B+
C+ 55.00 - 59.00 B
C 50.00 - 54.00 B
F 0.00 - 49.00 F

Petroleum Training Institute

Grade Scale US Grade
AA 80.00 - 100.00 A
A 75.00 - 79.00 A
AB 70.00 - 74.00 A
BB 65.00 - 69.00 B+
B 60.00 - 64.00 B+
BC 55.00 - 59.00 B
CC 50.00 - 54.00 B
C 45.00 - 49.00 C+
CD 40.00 - 44.00 C
DD 30.00 - 39.00 F
D 20.00 - 29.00 F
E 10.00 - 19.00 F
F 0.00 - 9.00 F

Umaru Musa Yar'Adula University (Graduate)

Graduate-level programs only. All others follow most-common scale

Grade Scale US Grade
A 70.00 - 100.00 A
B+ 65.00 - 69.00 A-
B 60.00 - 64.00 B+
C+ 55.00 - 59.00 B
C 50.00 - 54.00 B
D 45.00 - 49.00 C
F 0.00 - 44.00 F

University of Ibadan 7-point

Grade Scale Scale 2 US Grade
A 70.00 - 100.00 7.00 A
A- 65.00 - 69.00 6.00 A-
B+ 60.00 - 64.00 5.00 B+
B 55.00 - 59.00 4.00 B
B- 50.00 - 54.00 3.00 B-
C+ 45.00 - 49.00 2.00 C+
C 40.00 - 44.00 1.00 C
D 0.00 - 39.00 0.00 F

University of Ibadan Postgraduate

Grade Scale Grade Description US Grade
A 70.00 - 100.00 Excellent A
B 60.00 - 69.99 Very Good AB
C 50.00 - 59.99 Good B
D 45.00 - 49.99 Pass C
E 40.00 - 44.99 Fail F

University of Ibadan Postgraduate (pre-2016/17)

Scale Grade Description US Grade
60.00 - 100.00 Very Good A
55.00 - 59.99 Good AB
50.00 - 54.99 Pass B
0.00 - 49.99 F




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