Grading System for Rufus Giwa Polytechnic

Most Common

Grade	Scale	Grade Description	US Grade
A	70.000 - 100.000	5 (First Class Honours)	A
AB	70.000 - 100.000		A
B	60.000 - 69.990	4 (Second Class Honours, Upper)	B+
BC	60.000 - 69.990		B+
C	50.000 - 59.990	3 (Second Class Honours, Lower)	B
CD	50.000 - 59.990		B
D	45.000 - 49.990	2 (Third Class)	C+
E	40.000 - 44.990	1 (Pass)	C
F	0.000 - 39.990	0	F

Rufus Giwa Polytechnic, Owo, Nigeria (Old)

Grade	Scale	US Grade
A	75.000 - 100.000	A
AB	70.000 - 74.000	AB
B	65.000 - 69.000	B+
BC	60.000 - 64.000	B
C	55.000 - 59.000	B-
CD	50.000 - 54.000	BC
D	45.000 - 49.000	C+
DE	40.000 - 44.000	C
E	35.000 - 39.990	CD
F	0.000 - 40.000	F