Weighted vs Unweighted GPA: What's the Difference and Which One Matters?

If your report card shows two different GPAs, you are not alone in wondering which one is "real". Both are. They simply answer different questions. An unweighted GPA tells you how well you did in your classes. A weighted GPA tells you how well you did and gives credit for taking harder classes.

This guide compares the two side by side, shows how the same grades can produce two different numbers, explains how colleges tend to use them, and helps you decide what to do with that information. If you just want the step-by-step math, see how to calculate GPA and how to calculate weighted GPA.

The quick comparison

Unweighted GPAWeighted GPA
Usual scale0.0 to 4.0Often 0.0 to 5.0 (varies by school)
What an A is worth4.0 in every class4.0 in regular classes, more in approved advanced classes
RewardsGrades onlyGrades plus course difficulty
Easy to compare across schools?EasierHarder, because schools weight differently
Highest possible4.0Above 4.0 is possible

The math behind both is the same: convert each grade to points, multiply by credits, add up and divide. The only thing that changes is how many points some classes are worth.

How unweighted GPA works

On an unweighted scale, every class counts the same way. A typical scale looks like this:

Many schools also use plus and minus grades (for example, a B+ might be 3.3 and an A− 3.7). You can check the details on our letter grade scale page.

An A in AP Calculus and an A in a regular elective are both 4.0. That makes the unweighted GPA a simple, clean measure of grades, but it does not show whether a student challenged themselves.

How weighted GPA works

A weighted GPA adds extra points for classes your school treats as more demanding, such as Honors, AP, IB or dual-enrollment courses. A common pattern is:

So an A in an AP class might count as 5.0, and a B might count as 4.0. These boosts are school policy, not a universal rule. Some schools only add the boost to passing grades, some cap the number of weighted classes, and some do not weight at all. Your student handbook or school counselor is the source of truth.

Same grades, two GPAs: a side-by-side example

Here is one semester, assuming a school that adds 0.5 for Honors and 1.0 for AP, with every class worth the same credit:

ClassGradeUnweighted pointsWeighted points
AP U.S. HistoryB3.04.0
Honors ChemistryA4.04.5
English 11A4.04.0
Algebra IIB3.03.0
Spanish IIIA4.04.0
Average18.0 ÷ 5 = 3.619.5 ÷ 5 = 3.9

Same report card, two honest numbers: 3.6 unweighted and 3.9 weighted. The 0.3 gap comes entirely from the Honors and AP boosts.

If your classes have different credit values, multiply each class's points by its credits before averaging. The free grade calculator helps with the class-level math, and our weighted grades guide explains how assignment categories affect each course grade.

Check your weighted grade or what you need on the final — free, in your browser.

Open the free grade calculator →

Which GPA do colleges look at?

This is the question most students really care about, and the honest answer is: it depends on the college.

Because policies differ, check each college's admissions website or ask your counselor. When an application asks for your GPA, report it exactly as it appears on your transcript and say which scale it uses if there is space to do so.

Weighted GPA is not the same as a weighted course grade

People mix up two different uses of the word "weighted":

They are completely separate. To figure out the score you need on a test inside one class, use what do I need on my final or the final exam grade page.

Harder class with a B, or easier class with an A?

Students often ask whether a B in an AP class "beats" an A in a regular class. On a weighted scale with a +1.0 AP boost, both count as 4.0. On an unweighted scale, the A wins.

Rather than chasing the number, think about these questions:

  1. Is the subject important for your plans? If you want to study science, an advanced science class is usually worth the challenge.
  2. Can you handle the workload? A heavy schedule that leads to burnout or falling grades in every class hurts more than it helps.
  3. How does your school weight? If your school does not weight at all, the GPA benefit disappears, though the rigor still shows on your transcript.
  4. What do your target colleges say? Some openly state they value challenging courses; others focus on overall grades.

A balanced schedule, with advanced classes where you are strongest and interested, is usually a sensible middle ground.

Common mistakes to avoid

For more quick answers, see our grade FAQ.

Frequently asked questions

What is the main difference between weighted and unweighted GPA?

Unweighted GPA counts every class on the same scale, usually up to 4.0. Weighted GPA adds extra points for approved advanced classes like Honors or AP, so it can go above 4.0.

Is a weighted or unweighted GPA better?

Neither is better; they measure different things. Unweighted shows grades alone, while weighted also reflects course difficulty. Colleges often look at both, plus the classes you took.

Can an unweighted GPA be higher than a weighted GPA?

Normally no. With the same grades, weighting only adds points. If your weighted GPA is lower, check for a calculation error or a school policy that treats some grades differently.

Do all high schools weight GPA the same way?

No. Boost sizes, which classes qualify and the maximum scale all vary by school, and some schools do not weight at all. Check your school's handbook.

Which GPA should I put on a college application?

Report the GPA exactly as it appears on your official transcript, and follow each application's instructions about which scale to use.

Check your weighted grade or what you need on the final — free, in your browser.

Open the free grade calculator →

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