What an unweighted GPA measures
An unweighted GPA puts every class on the same footing. Each grade is converted to points on the standard 4.0 scale and averaged, with no bonus for difficulty — an A is worth 4.0 whether it came from AP Physics or a basic elective, so the maximum is a flat 4.0. That is exactly why it exists: it is the apples-to-apples standard that lets anyone compare records without arguing about how hard each schedule was. The calculator above runs unweighted by default, updating live as you type, with nothing sent to a server. It is the version most colleges fall back to and the one behind most published GPA benchmarks.
The unweighted GPA formula
Unweighted GPA = (sum of grade points × credits) ÷ (total credits)
Each letter maps to grade points, capped at 4.0: A/A+ = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0, C- = 1.7, D+ = 1.3, D = 1.0, D- = 0.7, F = 0.0. Multiply each course's points by its credits to get quality points, add them across every course, and divide by total credits. When each class is worth the same credit — common on a high-school report card — the math simplifies to a plain average of the grade points. For every letter and percentage band, see the full GPA scale; for the step-by-step method, read how to calculate your GPA.
Why the 4.0 cap is the standard
The cap is the feature, not a limitation. Because weighted GPAs are built from bonuses that differ wildly between districts, two students with the same "4.3 weighted" may have taken completely different schedules — the number is not comparable across schools. Stripping the bonus removes that noise: on the unweighted scale, a 3.7 means the same thing everywhere, so admissions offices, scholarship committees, and honor societies can line applicants up fairly. The trade-off is that the number alone says nothing about rigor — but that information does not vanish, it just moves to the transcript, where readers can see which hard classes you actually took.
Worked example: weighted vs. unweighted, side by side
Suppose you took four year-long classes (1 credit each). The unweighted column caps every grade at 4.0; the weighted column adds +0.5 for Honors and +1.0 for AP/IB for comparison:
| Course | Type | Grade | Unweighted | Weighted |
|---|---|---|---|---|
| Calculus | AP | A | 4.0 | 5.0 |
| English | Honors | B+ | 3.3 | 3.8 |
| Chemistry | Regular | A- | 3.7 | 3.7 |
| World History | Regular | B | 3.0 | 3.0 |
Unweighted, the points total 14.0 over 4 credits: 14.0 ÷ 4 = 3.50. Weighted, they total 15.5: 15.5 ÷ 4 = 3.88. Same grades, same student — the difference (3.50 vs. 3.88) is entirely the AP and Honors bonuses. To see the weighted version of your own courses, use the weighted GPA calculator; this page always gives you the capped 3.50-style figure.
When each GPA is used
They serve different audiences, so it is worth knowing which is which:
- Unweighted — most published admissions averages, colleges that recalculate, graduate and professional-school screens, and many scholarship and honor-society cutoffs. The safe default when you are comparing yourself to outside numbers.
- Weighted — usually your own high school's class rank, honor roll, Latin-honors thresholds, and local scholarship or athletic-eligibility rules.
Because a single college may look at both — your school's weighted figure and its own recalculated unweighted one — it helps to know both of your numbers before you apply. High schoolers building a full multi-year record can do that on the high school GPA calculator, which handles weighted and unweighted together.
Why colleges strip weighting and recalculate
Many selective colleges do not trust the GPA a high school prints, and it is not personal — it is consistency. An admissions office reading thousands of transcripts from thousands of schools needs one scale, so it commonly recalculates: convert every grade to the plain 4.0 scale, often drop non-academic courses like PE and health, and treat course rigor as a separate factor read straight from the transcript. The result is an unweighted, core-course GPA that means the same thing for every applicant. This is the single biggest reason to know your unweighted number — it is frequently closer to what an admissions reader actually sees than the weighted figure on your report card.
Common mistakes with unweighted GPA
- Expecting an A+ to break 4.0. On the standard scale an A+ and an A are both 4.0. The unweighted maximum is 4.0, full stop (a handful of schools use 4.3, the exception).
- Comparing an unweighted GPA to a weighted benchmark. A 3.6 unweighted next to a "4.2 average" is meaningless if that average is weighted. Match scale to scale before you judge.
- Assuming unweighted ignores rigor entirely. The number does, but the transcript does not — hard classes still count in how your record is read.
- Mixing scales in one calculation. Do not add a weighted 5.0 into an otherwise unweighted list; keep every course on the same scale or the average is nonsense.
Want to move the number? The guide to raising your GPA lays out the realistic math, and once you have several terms the cumulative GPA calculator pools them into one figure. For the credit-weighted college case, start at the college GPA calculator or the GPA calculator home.
Last updated September 2026. Figures use the standard US 4.0 scale with a 4.0 cap; always confirm policies like A+ handling, which courses count and rounding with your registrar, since schools differ.