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About this tool
Compute both weighted and unweighted high school GPA from your courses, with Honors +0.5 and AP/IB +1.0 bonuses.
This calculator computes a high-school GPA both ways at once: unweighted on the standard 4.0 letter scale, and weighted using the most common US convention of +0.5 for Honors and +1.0 for AP, IB and dual-enrollment courses on a 5.0 ceiling. Both figures are credit-weighted (Σ grade points × credits ÷ Σ credits), and failing grades earn no rigor bonus. It is built for students tracking class rank eligibility and for applicants who must report whichever GPA a college's form asks for.
Open Weighted Vs Unweighted GPA Tool on AltFTool — it loads instantly in your browser.
Enter the values you already know.
Fine-tune the options to match your scenario.
Read the result and use it in your planning or reporting.
Unweighted 4.0-scale and weighted 5.0-scale figures from the same course list.
Half-credit and multi-credit courses count proportionally, as registrars compute it.
Failing grades get no Honors/AP bonus, matching real school policies.
An unweighted GPA grades every course on the same 4.0 scale, while a weighted GPA adds bonus points for harder courses — typically +0.5 for Honors and +1.0 for AP or IB — so it can reach 5.0. A straight-A student in all AP classes would have a 4.0 unweighted and 5.0 weighted GPA.
Most colleges look at both but recalculate GPA their own way from your transcript, often unweighted in academic courses only. The unweighted GPA shows raw performance while course rigor is judged separately from the classes you chose, so taking the harder class for a slightly lower grade usually reads better than the reverse.
Under the common +1.0 convention, an A in an AP class counts as 5.0 instead of 4.0 grade points. Spread over a schedule, one AP course among six classes lifts a weighted GPA by roughly 0.17 points, which is why heavy AP loads produce weighted GPAs in the 4.5+ range.
No. Standard practice is that the rigor bonus applies only to passing grades, so an F earns 0.0 grade points in any course type. Some districts extend this and exclude D grades from weighting too — check your school's handbook.
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