Weighted GPA Calculator
Honors classes get +0.5 and AP / IB classes get +1.0. So an A in AP Calc is worth 5.0 — not 4.0. We show your weighted and unweighted GPA at the same time, because colleges look at both.
How Weighted GPA Works
Weighted GPA gives extra credit for harder classes. The unweighted 4.0 scale treats every A the same — P.E. and AP Physics both worth 4.0. Weighted GPA fixes this by adding bonus points to advanced courses, so colleges can tell who challenged themselves.
| Course Type | Bonus | A Grade | B Grade | C Grade |
|---|
| Regular | +0.0 | 4.0 | 3.0 | 2.0 |
| Honors | +0.5 | 4.5 | 3.5 | 2.5 |
| AP (Advanced Placement) | +1.0 | 5.0 | 4.0 | 3.0 |
| IB (International Baccalaureate) | +1.0 | 5.0 | 4.0 | 3.0 |
The bonus only applies if you actually pass — failing an AP class still gives you 0.0 grade points. Advanced classes are a multiplier, not a free boost.
AP vs IB vs Honors — Are They Equal?
At most US high schools yes — Honors gets +0.5, AP and IB both get +1.0. But the courses differ in scope and rigor:
- AP — single-subject College Board courses with a May exam. Score 3+ may earn college credit.
- IB — full diploma program (six subjects + theory of knowledge + extended essay). IB Higher Level is generally tougher than a single AP.
- Honors — defined by the school district, not a national body. Quality varies. Most districts treat it as harder than regular but easier than AP.
- Dual Enrollment — actual college courses taken at a community college or university. Often weighted +0.5 to +1.0.
A few districts (and the UC system in California) treat IB Higher Level slightly above AP. Always check your high school's grading handbook before assuming the standard scale applies.
Worked Example: Sophomore with mixed AP/Honors load
| Course | Cr | Type | Grade | UW Pts | W Pts |
|---|
| AP World History | 1 | AP | A− | 3.7 | 4.7 |
| Honors Pre-Calculus | 1 | Honors | B+ | 3.3 | 3.8 |
| Honors English II | 1 | Honors | A | 4.0 | 4.5 |
| Biology | 1 | Regular | A | 4.0 | 4.0 |
| French II | 1 | Regular | B | 3.0 | 3.0 |
Unweighted = (3.7 + 3.3 + 4.0 + 4.0 + 3.0) ÷ 5 = 3.60
Weighted = (4.7 + 3.8 + 4.5 + 4.0 + 3.0) ÷ 5 = 4.00
Same student, same effort — the weighted number rewards her for picking one AP and two Honors over five regular electives. That gap is what colleges see when comparing applicants from different schools.
What's a Good Weighted GPA?
No single answer because weighting differs between districts, but as rough benchmarks on the standard +0.5 / +1.0 scale:
- 4.5+ — Highly competitive. Mostly As in AP/Honors. Top-30 universities are realistic.
- 4.0–4.5 — Strong. Mix of A's and B's in advanced courses. Most state flagships.
- 3.5–4.0 — Above average. Some advanced coursework, mostly B's.
- 3.0–3.5 — Average. Limited advanced courses or lower grades in advanced classes.
One caveat: a 4.5 from a school offering 2 APs means something different than a 4.5 from a school offering 20. Admissions officers see your school's profile and reward students who used what was available.
Should You Take an Extra AP?
Honest answer: only if you can earn at least a B. The math is unforgiving.
An A in AP gives 5.0 grade points per credit. A B gives 4.0 — same as an A in regular. A C gives 3.0 — less than an A− regular. Below C in AP actively hurts your weighted GPA vs regular.
The other consideration is course rigor. Colleges look at how many AP/IB/Honors classes you took, not just GPA. A 3.9 weighted with 6 APs often beats a 4.4 weighted with 1 AP.
Weighted GPA FAQ
How is weighted GPA calculated?
Weighted GPA = Σ ((Base Grade Points + Course Bonus) × Credits) ÷ Total Credits. Convert each grade to its base point, add the bonus (+0.5 Honors, +1.0 AP/IB), multiply by credit hours, sum, divide by total credits.
Can a weighted GPA be higher than 5.0?
On the standard +0.5/+1.0 scale, 5.0 is the maximum. Some districts use a 6.0 scale or larger bonuses — Texas commonly reports on a 6.0 scale.
What's the difference between AP, IB, and Honors weighting?
Most US high schools weight AP and IB equally (+1.0) and Honors lower (+0.5). AP is a single-subject College Board course; IB is a full diploma program; Honors is school-defined.
Do colleges use weighted or unweighted GPA?
Most selective US colleges recalculate GPA on their own unweighted 4.0 scale and assess course rigor separately. State universities often accept the high school's reported weighted GPA. Common App asks for both.
Does taking an extra AP class always raise weighted GPA?
Only if you can earn at least a B. An A in AP = 5.0, but a C in AP = 3.0 (less than A− regular). D or F in AP drops your GPA significantly.
Is weighted GPA calculated the same way at every school?
No. The +0.5 / +1.0 system is most common but not universal. UC schools cap weighted bonuses at 8 honors points across 10th–11th grade. Always check your district's policy.