GPA Calculator – Calculate Your GPA, Percentage & Class Rank Instantly

Because a 4-credit course and a 1-credit course don't carry the same academic weight. If you simply averaged grade points, a one-off elective would count as much as a full-semester core subject and skew the result. Weighting by credits (this calculator multiplies each grade point by its course's credits, then divides by total credits) makes sure heavier courses influence your GPA more, which is how virtually every university actually computes it.

GPA is the credit-weighted average for one term or semester only — it resets each time you start a new one. CGPA (cumulative GPA) rolls every semester you've completed into one running average, so it only moves gradually as your total credit load grows. This tool calculates a single-term GPA; to get a CGPA you'd run it once per semester and then take a credit-weighted average of all those semester GPAs together.

It's an approximation, not an official conversion. On the 10-point scale this calculator multiplies your GPA by 9.5 (a formula several Indian universities, including Anna University and VTU, publish for exactly this purpose). On the 4.0 scale it uses GPA×25−5, a common US-college rule of thumb. Some institutions use a different multiplier or a lookup table instead — if the percentage needs to be official (for a transcript or visa application), check your registrar's exact formula rather than relying on this estimate.

Yes, in this calculator an F carries a grade point of 0 but its credits are still added to the total credit count — because that's how it works at most universities: the course was attempted, so it still weighs down the average even though it contributes zero points. If your institution instead excludes failed or repeated courses from the credit total entirely, leave that row's grade blank rather than selecting F, so it's skipped from both sides of the calculation.

Because the scales aren't linearly comparable at every cutoff. On the 10-point scale this tool marks 9.0+ as Distinction, 7.5–8.99 as First Class, and 6.0–7.49 as Second Class. On the 4.0 scale, Distinction starts at 3.7, First Class at 3.0, and Second Class at 2.0 — proportionally a bit more generous, reflecting how US 4.0-scale institutions typically draw their honours cutoffs. These are common conventions, not a universal standard, so treat the label as indicative and check your own institution's grading policy for the cutoff that actually appears on your transcript.

Use the Grade Calculator when you're inside a single course and want to know your overall mark from weighted components — say, assignments worth 20%, a midterm worth 30%, and a final worth 50% — before that course even gets converted into a letter grade or grade point. Use the GPA Calculator once you already have final letter grades for multiple courses and want a credit-weighted average across your whole semester.

It depends on which scale you're converting to, since there's no single universal formula. On the 10-point scale this calculator uses, GPA = Percentage ÷ 9.5, so 70% works out to a 7.37 GPA — right around the Second Class/First Class boundary. On the 4.0 scale, GPA = (Percentage + 5) ÷ 25, so 70% comes out to a 3.0 GPA, typically a solid B and often the cutoff for honors at US institutions. These are approximation formulas rather than official conversions, and grading systems don't treat 70% the same way everywhere — it's a mid-range B in the US, but the threshold for a First-Class Honours (the top classification) in the UK system — so if this figure needs to be official, check your own institution's published conversion table rather than relying on a multiplier.