Approved Student Result Grading System - NOUN

For the NOUN result grading system update, note that if you score A in any course, the point is 5. If you score B in any course, the point is 4. If you score C in any course, the point is 3. If you score D in any course, the point is 2. If you score E in any course, the point is 1. And if you score F in any course, the point 0.

Under the Newly Approved Five (5)-Point Grading Scale, grades to be used for students who have satisfactorily completed the course of study at the National Open University of Nigeria are as follows:

Letter Grade & Marks Grade Points

A = (70% and above) 5 = Excellent 

B = (60 - 69%) 4 = Very Good

C = (50 - 59%) 3 = Good

D = (45 - 49%) 2 = Fair

E = (40 - 44%) 1 = Pass

F = (0 - 39%) 0 = Fail

Grade Point Average (GPA) and Cumulative Grade Point Average (CGPA) Calculations

At the end of NOUN examinations, student's grades are calculated using the NOUN GPA and CGPA formula below.

The raw scores are recorded and are weighted to produce a single point average for each of the courses registered for, and for which students have written the Tutor-Marked Assignments and Examinations.

Formula For Calculation of GPA

Grade Point Average (GPA) is calculated by adding up all credit unit earned for the semester and dividing the figure gotten by the number of credit unit registered for the semester. This calculation results in a mathematical mean or average 

The GPA is computed on a semester basis. The formula for calculating GPA is as follows 

GPA  =        CUE



CUE  = Credit Unit Earned 

CUR  = Credit Unit Registered 

Table:  NOUN GPA  Calculation and Illustration

Courses -- Score -- Grade Weighted Grade

ECO121 -- 67 -- B

ECO122 -- 75 -- A

ECO153 -- 46 -- D

ECO154 -- 54 -- C

ECO146 -- 73 -- A


GPA = CUE = 54 = 3.92


           CUR = 14

NOUN CGPA Calculations

The cumulative grade point average (CGPA) is the Total Credit Unit Earned (TCUE) divided by the Total Credit Unit Registered (TCUR). The CGPA is calculated at the end of two (2) or more semesters. The formula for calculating CGPA is as follows: 




TCUE = Total Credit Unit Earned 

TCUR = Total Credit Unit Registered 

Class of Degree

NOUN CGPA Ranges under the new Five (5)-Point Grading Scale for Classification of Degrees.

Class of degree is assigned based on the CGPA upon completion of the programme, and is presented:

First Class Honours (4.5 - 5.00)

Second Class Honours [Upper Division] (3.5 - 4.49)

Second Class Honours [Lower Division] (2.5 - 3.49)

Third Class (1.5 - 2.49)

Quick Notes For Good Academic Standing

In order to be in good standing, you must maintain an average of 1.5 and above. 

In National Open University and other conventional universities, anyone that has below 1.5 CGPA will be advised to withdraw after three semesters, and NO student whose CGPA is less than 1.0 shall be awarded a degree. 

 In addition, you must meet all degree award requirements; that is, you must pass compulsory courses and electives up to the minimum total number of  credit units required and pass all compulsory GST courses. 

How To Calculate NOUN Exam Result Using New Grading Scale

Multiply the points by the unit of each course to get the grade point for a particular course.


If you score A in a 3 unit course, it means 3x5 = 15.

If you score B in a 2 unit course, it means 2x4 = 8.

If you score F in a 3 unit course, it means 3x0 = 0.

If you score A in a zero unit course, it means 0x5 = 0. And so on. 

NOUN Examination Result Sample

Here's a sample of NOUN result (course code, unit of the course and the score):

CIT101 (2units) A

MTH103 (3units) B

BIO101 (2units) D

MTH101 (3units) F

GST101 (0unit) A

The result calculations are shown below; 

Total Credits Carried = 10

Total Credits Earned = 7

Total Points Earned = (2x5 + 3x4 + 2x2 + 3x0 + 0x5) = (10 + 12 + 4 + 0 + 0) = 26

CGPA = 26/10 = 2.6 (Second Class Honours Lower)

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