How To Calculate CGPA In Nigerian Universities
In this article, we are going to inform you on how to calculate CGPA in Nigerian Universities.
As a student, have you ever tried to calculate your CGPA by yourself or you rely on the school to do that?
If yes, have you ever thought, what if their own calculation was wrong? You wouldn’t know.
It is quite appalling that a large number of students especially in Nigeria do not know what CGPA means not to talk of knowing how to calculate it.
Worse, they don’t even know that their CGPA determines their success or failure.
Knowing how to calculate CGPA and GPA is mandatory if you want to excel and graduate with a good grade.
If you are one of those that do not know how to calculate your CGPA, then, you’re in the right place.
What GPA and CGPA Means?
Just in case you don’t even know what GPA and CGPA mean or what it stands for, GPA which stands for Grade Points Average is a number that indicates how well or how high you scored in your courses on average and CGPA stands for Cumulative Grade Points Average.
CGPA is also the average of grade points obtained by students in all the subjects or courses in all his years in school.
It can also be described as a measure of a student’s performance for all of his or her courses throughout his entire academic experience that is all semesters and years.
A good GPA helps in various ways like; helping you graduate with good honors, putting you on the top of your VC’s list of good students, helps you stand a chance of getting Grants and Scholarships, it adds flair to your curriculum vitae.
CGPAs are also used to determine every student’s Class of Honour (First class, Second class upper, Second class lower, Third class, etc.).
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CGPA Grading Scale in Nigeria
In Nigeria, NUC’s standard grading scale Nigeria is 5.00.
Their grading system is classified into five categories which are;
- First-class students whose CGPA is from 5.0 – 4.5.
- Second class upper students whose CGPA are ranging from 4.49 – 3.5
- Second class lower students whose CGPA are from 3.49 – 2.5
- Third class students whose CGPA are from 2.49 – 1.5
- Then finally, 1.49 – 1.0 are the pass grades.
You must be psyched to know exactly how to calculate your CGPA already so let’s get to it right now using the official grading scale.
Score/Percentage | Grade Letter | Grade Point |
70 – 100 | A | 5.00 |
60 – 69 | B | 4.00 |
50 – 59 | C | 3.00 |
45 – 49 | D | 2.00 |
40 – 44 | E | 1.00 |
0 -39 | F | 0.00 |
For instance, if you have a result like this;
100L First Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 101 | 86 | A | 2 |
MAC 156 | 59 | C | 2 |
MAC 105 | 95 | A | 2 |
MAC 111 | 50 | C | 2 |
MAC 184 | 66 | B | 2 |
The above result, to calculate the CGPA to must first acquire the GPA, and to achieve that, you must first get the grade points and quality points of all the courses.
- For all the courses that the candidate scored an A, the Grade point (GP)is 5 while the Quality point (QP) is 10.
- For the courses that have B, the Grade point is 4 and the Quality point 8.
- Courses with C, Grade point is 3 and Quality point is 6.
- With D have a Grade point of 2 and a Quality point of 4.
- Courses with E have a Grade point of 1 and a Quality point of 2.
Finally, courses with F have a grade point and quality point of zero as they are equivalent to carryovers.
To get the GPA you must first calculate the sum of the credit/course units and the sum of the Quality and Grade points.
Credit Units (CU) for the result above: 2+2+2+2+2= 10
Grade points (GP): 5+3+5+3+4= 20
Quality points (QP): 10+6+10+6+8= 40
Finally, to know your Grade Point Average (GPA), you have to divide the Quality Point by Course/Credit Unit.
That is, 40/10 = 4.0.
This means that 4.0 is your First Semester GPA.
Don’t get too excited though because just so you know, we haven’t still obtained our CGPA.
We still have to calculate the result for an entirely different semester, the second semester.
100L Second Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 131 | 56 | C | 2 |
MAC 123 | 48 | D | 2 |
MAC 145 | 99 | A | 2 |
MAC 191 | 71 | B | 3 |
MAC 135 | 60 | B | 2 |
With a result like this also,
Credit Units (CU) for the result above: 2+2+2+3+2= 11
Grade Point (GP): 3+2+5+4+4= 18
Quality points (QP): 6+4+10+8+8= 36
As said earlier, to get your Grade Point Average (GPA), you have to divide your Quality Point (QP) by your Credit/ Course Units (CU).
For instance, 36/11= 3.27.
Therefore, the GPA for 2nd Semester is 3.27.
Now that we have the GPAs for both semesters which are 4.0 and 3.27 respectively, we can now obtain the CGPA.
To acquire the Cumulative Grade Point Average, we have to get the sum of the two semesters Quality Point and their Course/Credit units.
For instance; Your total Course Unit for 100-Level First semester and the Second semester are 10 and 11.
Therefore, 10 + 11 = 21
Your total Quality Unit for 100-Level First semester and the Second semester are 40 and 36.
Therefore,40 + 36 = 76.
So now that we’ve acquired the sums of the First and Second Semesters Quality Units and Course Unit, we divide them. That is 76/21=3.61.
And voila! There you have it, your 100 Level CGPA is 3.61.
For the Second year (200 Level), we repeat the process.
Let’s say this is the result:
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200L First Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 211 | 70 | A | 2 |
MAC 273 | 59 | C | 3 |
MAC 251 | 69 | B | 2 |
MAC 214 | 83 | A | 3 |
MAC 222 | 63 | B | 2 |
Credit Units (CU) for the result above: 2+3+2+3+2= 12
Quality points (QP): 10+6+8+10+8= 42
Now you divide the sums OF your Quality Point (QP) by your Credit/ Course Units (CU): 42/12= 3.5.
200L Second Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 241 | 78 | A | 2 |
MAC 234 | 70 | A | 2 |
MAC 208 | 51 | C | 2 |
MAC 210 | 89 | A | 2 |
MAC 291 | 78 | A | 2 |
Credit Units (CU) for the result above: 2+2+2+2+2= 10
Quality points (QP): 10+10+6+10+10= 46
Now you divide the sums your Quality Point (QP) by your Credit/ Course Units (CU): 46/10=4.6.
CGPA of the entire level: 12+10= 22
42+46= 88
Cumulative Grade Point Average (CGPA) of 200 level= 88/22= 4.0
300L First Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 354 | 67 | B | 2 |
MAC 325 | 78 | A | 2 |
MAC 301 | 78 | A | 2 |
MAC 313 | 70 | A | 2 |
MAC 361 | 50 | C | 2 |
Credit Units (CU) for the result above: 2+2+2+2+2= 10
Quality points (QP): 8+10+10+10+6= 44
Now you divide the sums your Quality Point (QP) by your Credit/ Course Units (CU): 44/10= 4.4.
300L Second Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 321 | 70 | A | 2 |
MAC 354 | 78 | A | 2 |
MAC 311 | 70 | A | 2 |
MAC 345 | 78 | A | 2 |
MAC 309 | 89 | A | 2 |
Credit Units (CU) for the result above: 2+2+2+2+2= 10
Quality points (QP): 10+10+10+10+10= 50
Now you divide the sums your Quality Point (QP) by your Credit/ Course Units (CU): 50/10= 5.0.
CGPA of the entire level: 10+10= 20
44+50= 94
Cumulative Grade Point Average (CGPA) of 300 level= 94/20= 4.7
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400L First Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 419 | 69 | B | 2 |
MAC 454 | 60 | B | 2 |
MAC 412 | 69 | B | 2 |
MAC 452 | 50 | C | 2 |
MAC 456 | 61 | B | 2 |
Credit Units (CU) for the result above: 2+2+2+2+2= 10
Quality points (QP): 8+8+8+6+8= 38
Now you divide the sums your Quality Point (QP) by your Credit/ Course Units (CU): 38/10= 3.8.
400L Second Semester
COURSE CODE | SCORE | GRADE | CREDIT UNIT |
MAC 471 | 60 | B | 2 |
MAC 432 | 80 | A | 2 |
MAC 458 | 71 | A | 2 |
MAC 410 | 63 | B | 2 |
MAC 444 | 59 | C | 2 |
Credit Units (CU) for the result above: 2+2+2+2+2= 10
Quality points (QP): 8+10+10+8+6= 42
Now you divide the sums your Quality Point (QP) by your Credit/ Course Units (CU): 42/10= 4.2.
CGPA of the entire level: 10+10= 20
38+42= 80
Cumulative Grade Point Average (CGPA) of 300 level= 80/20= 4.0
Now that we have results for ever year, it’s time to get the final CGPA.
COURSE UNITS | QUALITY UNITS | |
100 Level | 21 | 76 |
200 level | 22 | 88 |
300 Level | 20 | 94 |
400 Level | 20 | 80 |
Total: | 83 | 338 |
CGPA: 338/83= 4.07
which is literally a Second Class Upper.
Final Thought on How to Calculate CGPA in Nigerian Universities.
I really hope that this article and illustration on How to calculate Cumulative Grade Point Average (CGPA) was very supportive and helpful to you.
Hopefully, it was able to answer your question and educate you on how to calculate your CGPAs as students in various Nigerian Institutions without any confusions.
We are without a doubt very thankful and appreciative to you for reading this article and very elated and glad that you found what you were looking for.
We would also really love to know what your plans or your next step after reading this article will be, perhaps you’d try to calculate your CGPA yourself?
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You people need to review what you have here, the methodology/approach for the calculation of GPA and CGPA you have here is very wrong and it can be misleading. Please correct it.