Somebody asks "what's your GPA?" and somebody else answers with what's actually their CGPA, and nobody in the conversation notices the mismatch — because most people use the two terms interchangeably, including plenty of professors. They're not the same number, though, and mixing them up is an easy way to misjudge your own academic standing, especially right before you apply somewhere that asks for one specifically.
The Short Answer
GPA (Grade Point Average) measures a single, defined stretch of study — usually one semester or one academic year. CGPA (Cumulative Grade Point Average) measures everything you've completed so far, added together. Your GPA resets its scope every term. Your CGPA never resets — it just keeps absorbing more data as you go.
Put another way: GPA answers "how did I do in this specific period?" CGPA answers "how have I done overall, up to this point?" Both use the same underlying grade-point scale and the same credit-weighting math — the only real difference is how much of your academic history each one is looking at.
Why the Confusion Happens
Part of it is genuinely regional. In systems like NU's, "GPA" and "CGPA" are deliberately two separate, named figures on your result sheet. In a lot of other university systems — especially in North America — there's often just one running number people casually call a "GPA," even though it's functionally doing the same job a CGPA does here. So if you've seen both usages online, you've technically seen two different conventions, not a contradiction.
The other part is just habit: once you're used to hearing "GPA" as a catch-all word for "my grades," it's easy to keep using it even after you've moved from talking about one term to talking about your whole degree.
A Worked Example
Say a student has finished three years, with these yearly GPAs and credit loads:
| Year | Credit Hours | Yearly GPA |
|---|---|---|
| 1st Year | 24 | 2.95 |
| 2nd Year | 24 | 3.20 |
| 3rd Year | 26 | 3.55 |
Their 3rd-year GPA is simply 3.55 — that year, on its own, nothing else factored in. Their CGPA, though, blends all three years together using each year's credit hours as weight:
CGPA = (2.95×24 + 3.20×24 + 3.55×26) ÷ (24+24+26) ≈ 3.24
Notice the gap: a 3.55 GPA this year, but only a 3.24 CGPA overall. Neither number is "wrong" — they're just answering different questions. A student quoting their 3.55 without clarifying it's this year's figure, not their cumulative one, is giving a technically true but potentially misleading answer.
Which One Actually Matters
For most practical purposes — job applications, higher study admissions, scholarship eligibility — it's the final CGPA that gets asked for and printed on your certificate. Your individual yearly GPAs matter mostly as a way to track your own trend and to figure out which specific year (and which specific courses within it) are worth an improvement attempt, which we cover in more depth in our CGPA improvement guide.
Calculate Both, Instantly
If you want to see your own GPA-per-term and running CGPA side by side without doing the credit-weighted math by hand, our free GPA & CGPA calculator handles both at once — add each semester or year as a group, enter your subjects and credit hours, and it shows you each term's GPA plus your overall CGPA as you go. If you're specifically a National University student, the department-specific calculator on our homepage is even faster since your exact courses are already loaded.
Frequently Asked Questions
Is a higher GPA always better than a lower CGPA?
They're not directly comparable — one covers a single term, the other covers your whole academic history. A great single term doesn't erase a weaker overall CGPA.
Which number goes on my final certificate?
Your cumulative CGPA — not any individual term or year's GPA.
Can my CGPA barely move even if my latest GPA improved a lot?
Yes, and that's expected. The more total credit hours you've already built up, the smaller a single strong term's effect on your overall average.