How is CGPA calculated in Nigerian universities?

In Nigerian universities under the National Universities Commission (NUC) 5.0 grading scale, CGPA is calculated by dividing Total Cumulative Quality Points (TCQP) by Total Cumulative Credit Units (TCCU). Quality points for each course equal the course credit unit multiplied by the grade point (A=5, B=4, C=3, D=2, E=1, F=0).

What are the degree classifications on the NUC 5.0 CGPA scale?

Under the NUC 5-point grading benchmark: First Class Honours is 4.50 to 5.00; Second Class Upper Division (2:1) is 3.50 to 4.49; Second Class Lower Division (2:2) is 2.40 to 3.49; Third Class Honours is 1.50 to 2.39; and Pass Degree is 1.00 to 1.49.

How do carryover courses affect Nigerian university CGPA?

When a student fails a course (grade F with 0 quality points), the credit units remain part of the Total Credit Units Registered. When the course is retaken and passed, the new earned quality points and credit units are added to cumulative totals, meaning both the previous F attempt and new pass contribute to the denominator in the CGPA formula.

What is the difference between GPA and CGPA?

Grade Point Average (GPA) measures academic performance for a single specific semester (Total Quality Points in that semester divided by Total Units in that semester). Cumulative Grade Point Average (CGPA) aggregates all semesters completed to date across 100 Level through final year.

🇳🇬 NUC 5.0 & NBTE 4.0 Standard Scale

Nigerian University CGPA Calculator

Calculate your semester Grade Point Average (GPA), Cumulative CGPA, and degree honours classification in compliance with National Universities Commission (NUC) and polytechnic benchmarks.

NUC 5-Point Scale NBTE 4-Point Scale Honours Class Predictor 100% In-Browser & Private

Select Grading System:

Choose between the standard NUC 5-Point scale (Universities) or NBTE 4-Point scale (Polytechnics).

Grading Points: A = 5.0 (70%+) B = 4.0 (60-69%) C = 3.0 (50-59%) D = 2.0 (45-49%) E = 1.0 (40-44%) F = 0.0 (0-39%)

Current Semester Course Registration

Enter course codes, credit units (1 to 6), and your earned letter grades.

Course Code / Title

Credit Units

Earned Grade

Quality Pts

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Optional: Prior Semesters History (For Cumulative CGPA)

If you are in 200 Level, 300 Level, or above, enter your accumulated units and quality points to compute your updated CGPA.

Previous Total Credit Units (TCCU):

Previous Total Quality Points (TCQP):

How CGPA is Calculated in Nigerian Universities & Polytechnics

Under the guidelines established by the National Universities Commission (NUC) through the Core Curriculum and Minimum Academic Standards (CCMAS), tertiary institutions in Nigeria operate on a standard 5-point Grade Point Average system (with selected polytechnics and colleges operating on the 4-point NBTE system).

Academic standing is determined by two core parameters: the Credit Unit (CU) weighting assigned to each course and the Grade Point (GP) earned according to your percentage score in continuous assessments (CAs) and semester examinations.

NUC 5-Point University Grading Scale

Score (%)	Letter	Grade Point	Degree Classification
70 – 100%	A	5.0	First Class (4.50 – 5.00)
60 – 69%	B	4.0	2nd Class Upper (3.50 – 4.49)
50 – 59%	C	3.0	2nd Class Lower (2.40 – 3.49)
45 – 49%	D	2.0	Third Class (1.50 – 2.39)
40 – 44%	E	1.0	Pass (1.00 – 1.49)
0 – 39%	F	0.0	Fail

NBTE 4-Point Polytechnic Scale

Score (%)	Letter	Grade Point	Diploma Classification
75 – 100%	A	4.0	Distinction (3.50 – 4.00)
70 – 74%	AB	3.5	Upper Credit (3.00 – 3.49)
60 – 69%	B	3.0	Upper Credit
50 – 59%	BC	2.5	Lower Credit (2.50 – 2.99)
40 – 49%	C	2.0	Pass (2.00 – 2.49)
0 – 39%	F	0.0	Fail

Mathematical Formulas

1. Quality Point (QP) Per Course:

**QP** = Course Credit Units (CU) × Grade Point Earned (GP)

Example: A 3-unit course passed with an 'A' (5.0 points) yields 3 × 5.0 = 15.0 Quality Points.

2. Semester Grade Point Average (GPA):

**Semester GPA** = Total Semester Quality Points (TQP) ÷ Total Semester Credit Units Registered (TCU)

3. Cumulative Grade Point Average (CGPA):

**CGPA** = Cumulative Total Quality Points (All Semesters) ÷ Cumulative Total Credit Units Registered (All Semesters)

Realistic 100-Level First Semester Example

Suppose a 100-level student registered 5 courses totaling 14 credit units:

GST 111 (2 Units): Grade A (5.0) = 2 × 5.0 = 10.0 QP
MTH 101 (3 Units): Grade A (5.0) = 3 × 5.0 = 15.0 QP
PHY 101 (3 Units): Grade B (4.0) = 3 × 4.0 = 12.0 QP
CHM 101 (3 Units): Grade C (3.0) = 3 × 3.0 = 9.0 QP
BIO 101 (3 Units): Grade A (5.0) = 3 × 5.0 = 15.0 QP

Total Quality Points = 10 + 15 + 12 + 9 + 15 = 61.0

Total Credit Units Registered = 2 + 3 + 3 + 3 + 3 = 14

Semester GPA = 61.0 ÷ 14 = 4.36 (Second Class Upper Division)

Authoritative Governing Standards & Citations

Academic calculations on this platform adhere strictly to federal statutory guidelines published by Nigerian higher education regulatory councils:

National Universities Commission (NUC CCMAS) National Board for Technical Education (NBTE)

Frequently Asked Questions

What is the minimum CGPA required to graduate from a Nigerian university?

Under current NUC guidelines, the minimum CGPA required to graduate with a Pass degree is 1.00. However, many universities have abolished the Pass degree, setting 1.50 (Third Class Honours) as the minimum benchmark for graduation. Students with a CGPA below 1.00 or 1.50 after the maximum allowable duration (usually 1.5 times the standard program length) face academic probation or withdrawal.

How does an 'F' grade (Carryover) affect my CGPA?

An 'F' grade carries 0.0 Quality Points, but its credit units are added to your registered total. This causes a steep drop in your CGPA denominator. When you retake and pass the course, the new grade points and credit units are added to cumulative totals. Under standard NUC guidelines, both attempts remain on your official academic transcript and cumulative calculation.

Can I move from Second Class Lower (2:2) to First Class in 300 or 400 Level?

While possible, raising a CGPA significantly in later years becomes mathematically harder because the accumulated credit unit denominator is already large. Use our Target Honours Forecaster tab above to calculate the exact semester GPA required in your remaining courses.

Are continuous assessment tests (CA) included in the final grade point?

Yes. In Nigerian universities, course grades typically combine Continuous Assessment (30% to 40%) — including tests, mid-semester exams, quizzes, and laboratory practicals — with the Final Semester Examination (60% to 70%) to form your total 100% mark.

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