Weighted GPA Calculator for Honors, AP, and IB Courses

How to use the weighted gpa calculator

1. Enter each course on a new line in the format grade, credits, level (for example, A, 4, ap).
2. Select your school's weighting scheme from the dropdown menu.
3. The tool calculates your weighted GPA, unweighted GPA, and the difference between them automatically.
4. Review the course breakdown table below the summary to verify each class was parsed correctly.

How weighted GPA is calculated

A weighted GPA adds bonus points to harder courses before averaging. First, convert each letter grade to its base point value on a 4.0 scale (A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0). Pluses add 0.3 and minuses subtract 0.3, capped at 4.3 for an A+.

Next, apply the weighting scheme. Under the common +0.5/+1.0 model, honors courses receive an additional 0.5 points while AP, IB, and college-level courses receive an additional 1.0 point. Regular courses get no bonus.

Finally, multiply each course's weighted points by its credit hours, sum those products, and divide by total credit hours. For example, an A (4.0) in a 4-credit AP class (+1.0) yields 5.0 x 4 = 20 quality points. A B (3.0) in a 3-credit regular class yields 3.0 x 3 = 9 quality points. The weighted GPA is (20 + 9) / (4 + 3) = 4.14.

A failing grade earns no bonus. An F in an honors, AP, IB or college course stays at 0.0 instead of becoming 0.5 or 1.0, because the weight rewards passing the harder class. Results are rounded to two decimals with exact ties rounded up, so a true 3.675 shows as 3.68.

Common weighting schemes

Schools across the United States use different models to reward students who take rigorous coursework. This weighted GPA calculator supports three common approaches:

The +0.5/+1.0 scheme is the most widespread. Some districts treat all advanced courses equally and use the +1.0/+1.0 model. Selecting "None" applies no bonus, so the weighted and unweighted results match each other. It still differs from the unweighted GPA calculator in one way: this tool counts an A+ as 4.3, while that calculator counts an A+ as 4.0, so any schedule containing an A+ shows a different unweighted figure on the two pages.

Why colleges recalculate your GPA

Because high schools weight GPAs differently, many colleges strip away local weighting and recalculate every applicant's GPA on a standard scale. Admissions offices may use their own formula or revert to an unweighted 4.0 scale to compare students fairly.

This means a 4.6 weighted GPA at one school might translate to a 3.8 at another institution's evaluation. When applying, it helps to know both your weighted and unweighted numbers. You can also track how individual terms contribute using a semester GPA calculator, or project your final standing with a cumulative GPA calculator.

Base grade point values

The following table shows the standard 4.0 scale used before any weighting bonuses are applied. These values are consistent across most US high schools and colleges.

If you need to map these points back to percentages, a GPA to percentage tool can help estimate the corresponding score range.

Input format and common mistakes

Each line in the text area must follow the pattern grade, credits, level. Separate the three fields with commas. Valid levels are regular, honors, ap, ib, and college. Credits should be a positive number, typically between 0.5 and 5.

Common errors include misspelling the level (such as "advance" instead of "ap"), omitting the credit count, or using a slash instead of a comma. Blank lines are ignored, so you can space out your entries for readability. If you are calculating for middle school courses that do not carry extra weight, use the junior high GPA calculator instead.

Worked examples