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
|
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
|
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
|