How To Calculate CGPA In Nigeria For All Polytechnics | CGPA Calculator

How To Calculate Grade Points Average (Gpa) In Nigerian Polytechnics

We have brought to you a comprehensive guide on How to Calculate CGPA for Nigerian Polytechnics. Do you want to know how to calculate your GPA/CGPA at a Nigerian polytechnic? The complete step-by-step guide is provided below:
GPA is calculated in Nigeria polytechnics in a manner similar to that of Nigerian universities. Nigerian polytechnics, on the other hand, use the following grading system in calculating GPA and awarding Ordinary National Diploma (OND) and Higher National Diploma (HND):

Table of the Polytechnic Grading System

Score (%) Grade Grade Point Final CGPA Class Of Degrees
100-80 A 4.00 3.50 – 4.00 Distinction
79-70 AB 3.50 3.00 – 3.49 Upper Credit
60-69 B 3.00 2.50 – 2.99 Lower Credit
59-50 BC 2.50 2.00 – 2.49 Pass
49-40 C 2.00 0.00 – 1.99 Fail

Calculation Of First Semester OND1 GPA

Assume you teach the following courses and receive scores that correspond to the following grades, which result in the distribution shown in the tables below. Then your GPA will be as follows:

Course Code Credit Unit Grade Grade Points Quality Points (CU X GP) Total Points
Gsp 101 2 C 2.00 2 x 2.00 4.00
Gsp 105 2 C 2.00 2 x 2.00 4.00
Gsp 111 2 A 4.00 2 x 4.00 8.00
Gsp 201 2 AB 3.50 2 x 3.50 7.00
Cos 101 2 BC 2.50 2 x 2.50 5.00
Sta 131 2 B 3.00 2 x 3.00 6.00
Mth 221 3 C 2.00 3 x 2.00 6.00
Total Credit Units 15 44

GPA = Total Points/Total Credit Units = 44.00/15 = 2.9 for First Semester OND1.
As a result, your first semester ND1 GPA is 2.9.

Calculation Of Second Semester OND1 CGPA

Assume you teach the following courses and receive scores that correspond to the following grades, which result in the distribution shown in the tables below. Then your GPA will be as follows:

Course Code Credit Unit Grade Grade Points Quality Points (CU X GP) Total Points
Chm 112 2 A 4.00 2 x 4.00 8.00
Gsp 208 2 E 0.00 2 x 0.00 0.00
Gsp 106 2 c 2.00 2 x 2.00 4.00
Gsp 202 2 C 2.00 2 x 2.00 4.00
Bio 152 3 B 3.00 3 x 3.00 9.00
Phy 196 2 BC 2.50 2 x 2.50 5.00
Glg 142 3 C 2.00 3 x 2.00 6.00
Total Credit Units 16 36

Second Semester GPA = Total Points/Total Credit Units = 36.0/16 = 2.21875 = 2.25
As a result, your second semester ND1 GPA is 2.25.

To calculate your cumulative grade point average (CGPA) for ND1 (first year), add your ND1 first and second semester GPAs and divide the total by two (2), i.e. the number of semesters. This is simply calculating the average.

Your OND1 CGPA is equal to (First Semester ND1 GPA + Second Semester ND1 GPA) / 2 = (2.9 + 2.25) / 2.

5.15 / 2 = 2.575 = 2.58 CGPA
The procedure is repeated for each semester’s outcome.

That’s all there is to it when it comes to calculating GPA (Grade Point Average) and CGPA (Cumulative Grade Point Average) in Nigerian Polytechnics.

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