How to Calculate Unweighted GPA: The 4.0 Scale Formula Explained
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How to Calculate Unweighted GPA: The 4.0 Scale Formula Explained

February 9, 2026
10 min read
By Academic Success Team
Key pointWhat it means for your GPA
Unweighted GPA stays on a 0.0–4.0 scaleAn A in AP and an A in regular class both count as 4.0.
The math uses quality points ÷ creditsPoints × credits per class, then divide by total credits.
Plus/minus can change results a lotB+ (3.3) and B− (2.7) are not the same “B.”
Core vs electives depends on policySchools may show multiple GPAs (overall vs academic/core).
Pass/Fail is usually neutral at bestPass often adds credit but no GPA points; Fail often counts as 0.0.

What an unweighted GPA calculator (4.0 scale) does

An Unweighted GPA Calculator (4.0 Scale) turns all your course grades into one number from 0.0 to 4.0. It treats every class the same, so class level does not add points. A in AP Calculus and A in regular English both count as 4.0. That makes unweighted GPA easy to compare across schools, even if they offer different honors options.

Use a calculator when you want clean math without guesswork. A good tool also lets you match your school’s rules, like plus/minus, credit hours, and pass/fail settings. If you want one place to enter everything, start with the cumulative GPA calculator at cumulative GPA calculator for multiple terms and the high school GPA calculator input page. For a deeper breakdown of common rules, see the unweighted GPA calculator 4.0 guide.

Unweighted GPA Calculator (4.0 Scale) overview screenshot

The core formula: quality points divided by total credits

Unweighted GPA math stays simple: quality points ÷ total credits. First, you convert each final grade into points on the 4.0 scale. Then you multiply by the class credit value. A one-credit class counts once. A two-credit class counts twice. You add up all quality points, then divide by all attempted credits.

Example: You earn A (4.0) in a 1.0-credit class and B (3.0) in a 1.0-credit class. Your total quality points equal 4.0 + 3.0 = 7.0. Total credits equal 2.0. Your GPA equals 7.0 ÷ 2.0 = 3.5.

If you want a plain-language explanation of the parts, read quality points vs GPA explained and the GPA formula guide. For common mistakes (like mixing credits wrong), use common GPA calculation errors to avoid.

The unweighted GPA conversion chart (letter grade → 4.0)

A clean conversion chart is the center of a 4.0 unweighted system. Most schools use a map like this: 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, F = 0.0. This gives you a repeatable way to convert each class grade before you average.

Some schools skip plus/minus and use only whole letters. Others use plus/minus but still cap the top at 4.0. That means A+ and A both stay 4.0 in many places. Always match your school chart first, then use the calculator to do the averaging.

For a printable chart and examples, use the unweighted GPA conversion chart and the letter-to-point GPA conversion guide.

Unweighted GPA conversion chart on a 4.0 scale

Percent grades: why shortcuts misclassify your GPA

Percent-to-GPA conversion feels easy, but quick tricks break fast. A common shortcut says “divide by 20” or “divide by 25.” That can push grades near cutoffs into the wrong bucket. An 89 vs 90 can flip from B+ to A− in many systems. A 92 vs 93 can also flip buckets. If you use a rough shortcut, you can “lose” or “gain” points that your school would never give.

Percent bands also vary by district and teacher. One school may set A at 93–100, another may set it at 90–100. That means two students with the same percent can land on different letter grades. The safest path is simple: convert percent to the letter grade your school reports, then convert that letter to points.

If you need a careful percent bridge, use percentage to 4.0 GPA conversion and check the how school districts calculate GPA notes for policy differences.

Plus/minus grades: small symbols, big GPA swings

Plus/minus makes unweighted GPA more precise. It also makes your GPA feel “harsher” when you sit near the edge. In a common 4.0 capped system, A− = 3.7. If you earn all A− grades, your unweighted GPA sits around 3.7, not 4.0. Many students call that “deflation,” because the transcript still looks like straight A’s to them.

Plus/minus can also help you. A B+ (3.3) is better than a B (3.0), and far better than a B− (2.7). If you raise a few grades from B to B+, you may gain more than you expect. The key is to enter the exact grade symbols you earned.

To match your school system, use unweighted GPA plus/minus rules and the unweighted GPA plus-minus calculator.

Unweighted GPA plus minus scale example

A+ and the 4.33 option: when your school does it differently

Some schools treat A+ as 4.3 (or 4.33) even in an “unweighted” report. Other schools keep A+ = 4.0 and only use 4.33 in special cases. This detail matters because a single A+ can move a GPA above 4.0 if the school allows it. If your transcript shows GPAs like 4.05 without course weighting, your school may be using a 4.33 top.

You should treat 4.33 as an optional policy, not a default. Start with the standard 4.0 cap, then switch only if your school chart says A+ earns extra points. If your school does not publish a chart, ask a counselor or check the student handbook.

If you need to compare tops across systems, read types of GPA scales and the 4.0 vs 5.0 vs 6.0 GPA scales guide. For mixed-scale cases, the GPA conversion charts tools page can help.

What counts in an unweighted GPA: core vs electives

“What counts” is the #1 reason students get surprised by their GPA. Many schools show a cumulative GPA that includes all graded classes. Some also show an academic/core GPA that counts only key subjects. Core often includes English, math (Algebra I and above), science, social studies/history, and world language. Academic electives like psychology, economics, computer science, or engineering may count too, based on policy.

PE, health, and some non-academic electives vary the most. One school counts them fully. Another excludes them. A third reports two GPAs side by side. Colleges may also recalculate using their own set of “approved” courses, which can change the number you see.

To sort this fast, use what counts in unweighted GPA and the core vs elective GPA guide. If you want the common student question answered directly, read do electives count in GPA.

What counts in unweighted GPA core vs electives

Pass/fail courses: how P, CR, and F affect unweighted GPA

Most pass/fail policies treat Pass (P/CR/S) as credit with no GPA points. Many schools exclude the course from both the numerator and denominator. In that case, pass/fail stays neutral for your unweighted GPA. Some schools count it as attempted credit without points, which can slightly lower term GPA in rare setups.

Fail (F/NP/U) usually behaves like a normal F: 0.0 points that count fully. That means a failed pass/fail course can drag down your unweighted GPA, even if a pass would not help it. This is why “switch to pass/fail to save GPA” does not always work. A pass can hide a low grade, but it cannot raise your GPA in most systems.

To match the setting you need, use unweighted GPA pass/fail impact and how pass/fail grades impact your GPA. For a quick example set, see unweighted GPA pass/fail.

Unweighted GPA pass fail impact example

Term GPA vs cumulative GPA: don’t mix the math

A term GPA (semester, quarter, or trimester) measures one slice of time. A cumulative GPA blends all terms you include. Students often average term GPAs and get the wrong result, because each term can have different credit totals. The correct method is to add all quality points across terms, then divide by all credits across terms.

If you take heavier credit loads later, your later grades can move your cumulative GPA more. That feels unfair until you remember the system measures total work, not the calendar. This also explains why one bad early term can fade if you earn strong grades in larger-credit terms later.

If you want the clean workflow, use the semester GPA to cumulative GPA guide and the semester GPA calculator. If your school uses a different calendar, check semester vs quarter vs trimester GPA.

Semester GPA to cumulative GPA guide chart

Unweighted vs weighted GPA: why schools show both numbers

Unweighted GPA answers one question: “What did you earn on a common 4.0 scale?” Weighted GPA answers a different question: “How hard were your classes?” Many schools add extra points for rigor, such as +0.5 for Honors and +1.0 for AP/IB, before they average. That can push a weighted GPA above 4.0 even when unweighted stays capped.

Colleges often compare students across many schools, so they like unweighted as a baseline. At the same time, readers still look at course level and transcript strength. That is why a 3.7 unweighted with strong AP/Honors can read better than a higher unweighted GPA with only easy classes. The number matters, but the course list also matters.

For a clear comparison, read weighted vs unweighted GPA guide and weighted vs unweighted GPA explained. If you want both numbers side by side, use the weighted GPA calculator.

Weighted vs unweighted GPA explained graphic

Real schedule examples: how many B’s land near a 3.8?

Examples help because most students think in schedules, not formulas. A simple six-class term with 5 A and 1 B often lands near 3.83 on an unweighted whole-letter system. Add plus/minus and the result can move a lot. A B+ instead of a B can pull you closer to 3.9. A B− can push you closer to 3.7.

AP-heavy schedules do not raise unweighted GPA by themselves. If you earn more B’s in harder classes, your unweighted GPA can drop even while your weighted GPA stays strong. That is why students often describe profiles as “X unweighted, Y weighted, Z APs.” Admissions readers understand that pattern.

For ready-to-copy examples, use unweighted GPA examples and the more math-heavy unweighted GPA examples 4.0 math. If you want to convert term work into a long-run plan, the college GPA calculator can help after you start college.

Unweighted GPA examples schedule table

Why your GPA may not match your transcript or a college review

GPA mismatch happens for plain reasons: different rules, different inputs. Your transcript GPA may exclude some classes, drop others, or use special rounding. A college may recalculate and count only academic courses, or they may ignore local weighting rules. Even within one school, “cumulative GPA” and “core GPA” can differ if electives work differently.

Data entry mistakes also cause mismatch. Students often type percent grades when the school uses letters, or they forget credit weights, or they mix pass/fail into the wrong bucket. A good calculator reduces these errors, but you still need correct inputs.

If you see a gap, run a quick audit. Check course list, credits, grade symbols, and pass/fail rules. Then compare term totals to your transcript totals. The why GPA does not match transcript page walks through the usual causes. For a more structured check, use the transcript GPA audit guide and the how to calculate GPA refresher.

How to raise an unweighted GPA in a way schools respect

Raising an unweighted GPA is boring, but it works. You raise the grade points in your current classes and protect your next term from avoidable drops. Start with the easiest wins: fix missing work, raise test averages with short weekly review, and plan exam weeks early. A single grade move from B to A− can add more than most students expect.

If your school allows it, you can also use repeat policies or credit recovery, but you must follow your district rules. Do not chase “GPA hacks” that hide learning gaps. Colleges can still read your transcript and course pattern. A clean upward trend and strong final-year grades often help more than small rounding tricks.

For practical actions, use how to raise semester GPA and study tips for better grades. If you need planning around special grades, check GPA planning for incomplete grades.

How to raise semester GPA checklist graphic

Frequently Asked Questions

Q: Does an AP class raise unweighted GPA? A: No. Unweighted ignores course level. Use weighted vs unweighted GPA if you need the other number.

Q: Can unweighted GPA go above 4.0? A: Usually no. Some schools use an A+ = 4.3 policy; confirm your chart in types of GPA scales.

Q: Does pass/fail help my unweighted GPA? A: Pass is often neutral, and fail often counts as 0.0. See unweighted GPA pass/fail.

Q: Do electives count in GPA? A: It depends on school policy. Check do electives count in GPA.

Q: Why does my GPA differ from a college estimate? A: Colleges may recalculate. Use how school districts calculate GPA and why GPA does not match transcript.

Q: What tool should I use for multi-term math? A: Use the cumulative GPA calculator for clean credit-weighted totals.