Grading System in Nigeria

Nigeria GPA calculator

Grading scales:



Most Common

Grade Scale Grade Description US Grade
A 70.00 - 100.00 5 (First Class Honours) A
AB 70.00 - 100.00 A
B 60.00 - 69.99 4 (Second Class Honours, Upper) B+
BC 60.00 - 69.99 B+
C 50.00 - 59.99 3 (Second Class Honours, Lower) B
CD 50.00 - 59.99 B
D 45.00 - 49.99 2 (Third Class) C+
E 40.00 - 44.99 1 (Pass) C
F 0.00 - 39.99 0 F

5-point University

University of Lagos

The Federal University of Technology

Grade Scale Scale 2 Grade Description 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
S Pass S
F 0.00 - 39.00 0.00 F

West African Senior School Certificate (WASSCE)

Grade Scale Scale 2 Grade Description US Grade
A1 1.00 - 1.99 75.00 - 100.00 Excellent A+
B2 2.00 - 2.99 70.00 - 74.00 Very Good A
B3 3.00 - 3.99 65.00 - 69.00 Good B
C4 4.00 - 4.99 60.00 - 64.00 Credit B
C5 5.00 - 5.99 55.00 - 59.00 Credit C
C6 6.00 - 6.99 50.00 - 54.00 Credit C
D7 7.00 - 7.99 45.00 - 49.00 Pass D
E8 8.00 - 8.99 40.00 - 44.00 Pass D
F9 9.00 0.00 - 39.00 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

International Baccalaureate Diploma

Scale US Grade
6.00 - 7.00 A
5.00 - 5.99 B
4.00 - 4.99 C
3.00 - 3.99 D
1.00 - 2.99 F
0.00 - 0.99 F

Moshood Abiola Polytechnic

Grade Scale Scale 2 US Grade
A 80.00 - 100.00 4.00 A
AB 75.00 - 79.99 3.75 A-
B 70.00 - 74.99 3.50 AB
BC 65.00 - 69.99 3.25 B+
C 60.00 - 64.99 3.00 B
CD 55.00 - 59.99 2.75 B-
D 50.00 - 54.99 2.50 BC
DE 45.00 - 49.99 2.25 C+
E 40.00 - 44.99 2.00 C
EF 35.00 - 39.99 1.75 C-
FF 30.00 - 34.99 1.50 CD
F 25.00 - 29.99 1.25 D+
PF 20.00 - 24.99 1.00 D
HF 0.00 - 19.99 0.00 F

University of Ilorin

Grade Scale Scale 2 Grade Description 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
E 40.00 - 44.99 Pass C
F 0.00 - 39.99 0.00 F

Adeleke 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+
F 0.00 - 44.00 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

Federal Polytechnic, Bida

Grade Scale Grade Description US Grade
A 4.00 Distinction/Excellence A
AB 3.50 Very Good AB
B 3.00 Good B
BC 2.75 Above Average B-
C 2.50 Average BC
CD 2.25 Fair C+
D 2.00 Pass C
F 0.00 Fail F

Kogi State Polytechnic, Lokoja

Grade Scale US Grade
A 80.00 - 100.00 A
AB 70.00 - 79.99 AB
B 60.00 - 69.00 B+
BC 50.00 - 59.99 B
C 40.00 - 49.99 B-
CD 30.00 - 39.99 BC
D 20.00 - 29.99 C+
E 10.00 - 19.99 C
F 0.00 - 9.99 F

National Examinations Council (NECO) Junior Secondary Certificate

Grade Grade Description US Grade
A Distinction A
C Credit B
P Pass C
F Fail F

Obafemi Awolowo University

Grade Scale US Grade
A 70.00 - 100.00 A
B+ 60.00 - 69.00 B+
B 50.00 - 59.00 B
C 45.00 - 49.00 C
D 40.00 - 44.99 D
F 0.00 - 39.99 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

Robotics and Artificial intelligence Nigeria

Scale Grade Description US Grade
70.00 - 100.00 Distinction A
60.00 - 69.00 Merit B
40.00 - 59.00 Pass C
0.00 - 39.00 Fail F

Rufus Giwa Polytechnic, Owo, Nigeria (Old)

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+
DE 40.00 - 44.00 C
E 35.00 - 39.99 CD
F 0.00 - 40.00 F

School of Midwifery, Akure

Grade Scale Grade Description US Grade
A 80.00 - 100.00 Distinction A
B 70.00 - 79.99 Upper Credit B+
C 60.00 - 69.99 Lower Credit B-
D 50.00 - 59.99 Pass C
F 0.00 - 49.99 Fail 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 4-point

Starting 2016/2017

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 D
F 0.00 - 39.99 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 (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

Yaba College of Technology

Grade Scale Scale 2 US Grade
A1 75.00 - 100.00 4.00 A
A2 70.00 - 74.00 3.50 AB
B1 65.00 - 69.00 3.25 B+
B2 60.00 - 64.00 3.00 B
C1 55.00 - 59.00 2.75 B-
C2 50.00 - 54.00 2.50 BC
D1 45.00 - 49.00 2.25 C+
D2 40.00 - 44.00 2.00 C
F 0.00 - 39.00 0.00 F



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