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Grading System in Nigeria

Nigeria GPA calculator

Grading scales:

Most Common
5-point University
West African Senior School Certificate (WASSCE)
General Certificate of Education (GCE)
National Examinations Council (NECO) Senior School Certificate
International Baccalaureate Diploma
Moshood Abiola Polytechnic
University of Ilorin
Adeleke University
Auchi Polytechnic
Babcock University
Bayero University, Kano (Graduate Programs)
Federal Polytechnic, Bida
Kogi State Polytechnic, Lokoja
National Examinations Council (NECO) Junior Secondary Certificate
Obafemi Awolowo University
Petroleum Training Institute
Robotics and Artificial intelligence Nigeria
Rufus Giwa Polytechnic, Owo, Nigeria (Old)
School of Midwifery, Akure
Umaru Musa Yar'Adula University (Graduate)
University of Ibadan 4-point
University of Ibadan 7-point
University of Ibadan Postgraduate (pre-2016/17)
Yaba College of Technology


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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