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Convert your GPA
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The fastest GPA converter to 4.0 scale for US high school and college students. Percentages, cumulative GPA, weighted vs unweighted — all in one place.

Start ConvertingCumulative GPA

4.0

GPA Scale

13+

Grade Tiers

+1.0

AP Bonus Pts

Tool 01

Percentage to GPA

Convert your 100-point score to the US 4.0 scale.

%
0.04.0

Enter a score above to see your GPA.

Tool 02

Cumulative GPA Calculator

Add courses, select letter grades, and calculate your overall GPA.

Weighted GPA

+1.0 pts for AP / Honors courses

Course NameGradeCredits

Reference

US Grade Scale

Standard letter grade to 4.0 GPA conversion table.

Letter GradePercentage RangeGPA (Unweighted)GPA (Weighted AP)Standing
A+97 – 100%4.05.0Outstanding
A93 – 96%4.05.0Excellent
A−90 – 92%3.74.7Excellent
B+87 – 89%3.34.3Very Good
B83 – 86%3.04.0Good
B−80 – 82%2.73.7Good
C+77 – 79%2.33.3Average
C73 – 76%2.03.0Average
C−70 – 72%1.72.7Below Avg
D+67 – 69%1.32.3Poor
D65 – 66%1.02.0Poor
D−60 – 64%0.71.7Very Poor
FBelow 60%0.00.0Failing

* AP/HONORS WEIGHTED SCALE ADDS +1.0 TO UNWEIGHTED GPA (MAX 5.0)

Guide

How to use the GPA converter (100 to 4.0 scale).

01 — The 4.0 scale

The 4.0 GPA scale is the standard grading system used by most US high schools and colleges. An A equals 4.0, B equals 3.0, C equals 2.0, D equals 1.0, and F equals 0.0. Plus and minus modifiers create intermediate values like 3.7 (A−) and 3.3 (B+).

02 — GPA converter 100 to 4.0

Our GPA converter 100 to 4.0 uses the widely accepted US grading standard. Enter your percentage (0–100) and it instantly displays the equivalent 4.0 GPA and letter grade. For example, 85% → 3.0 GPA (B), 92% → 3.7 GPA (A−).

03 — Cumulative GPA

Your cumulative GPA is the average of all course grades weighted by credit hours. Our calculator lets you add courses, enter letter grades and credit hours, and instantly compute your overall GPA — with an optional toggle for weighted GPA (+1.0 for AP/Honors on a 5.0 scale).

04 — Why GPA matters

GPA is one of the most important factors in college admissions, scholarship applications, and graduate school entry. Understanding your 4.0 GPA helps you set realistic goals, track progress, and make informed decisions about your academic path.

FAQ

Frequently Asked Questions

Everything you need to know about GPA conversion and the 4.0 scale.

How do I convert my percentage to a 4.0 GPA scale?
Use the standard US grading conversion: 93–100% = 4.0 (A), 90–92% = 3.7 (A−), 87–89% = 3.3 (B+), 83–86% = 3.0 (B), 80–82% = 2.7 (B−), 77–79% = 2.3 (C+), 73–76% = 2.0 (C), 70–72% = 1.7 (C−), 67–69% = 1.3 (D+), 65–66% = 1.0 (D), 60–64% = 0.7 (D−), and below 60% = 0.0 (F). Our tool above does this instantly.
What is a good GPA for college admissions?
A 3.5 GPA or higher is generally considered competitive for college admissions. Top-tier universities like Ivy League schools look for GPAs of 3.7 or above. However, GPA is just one factor — colleges also weigh extracurriculars, essays, test scores, and letters of recommendation.
What is the difference between weighted and unweighted GPA?
An unweighted GPA is calculated on the standard 4.0 scale, where an A equals 4.0 regardless of course difficulty. A weighted GPA gives extra points for advanced courses (AP, Honors, IB) — typically on a 5.0 scale where an A in an AP class counts as 5.0.
How is cumulative GPA calculated?
Cumulative GPA = Total Quality Points ÷ Total Credit Hours. Quality points for each course = Grade Points × Credit Hours. Example: an A (4.0) in a 3-credit course = 12 quality points. Sum all quality points then divide by total credits.
Is a 3.0 GPA considered good?
A 3.0 GPA is equivalent to a B average and is considered above average. It meets minimum requirements for many colleges and scholarships. While it may not be competitive for highly selective institutions, a 3.0 GPA opens doors to many excellent universities and graduate programs.
Can I raise my GPA significantly in one semester?
Yes, but the impact depends on how many total credits you've already completed. Freshmen with fewer prior credits can see a larger boost from one strong semester. Focus on high-credit courses where you can excel to maximize the effect.
How do AP classes affect my GPA?
AP (Advanced Placement) classes can boost your weighted GPA by adding +1.0 grade point. An A in an AP class counts as 5.0 on the weighted scale instead of 4.0 unweighted. This means students in rigorous AP coursework can exceed 4.0 on a weighted scale.
Do colleges prefer weighted or unweighted GPA?
Most selective colleges consider both, but many recalculate GPAs using their own formulas when comparing applicants. Selective institutions often prefer unweighted GPA for standardized comparison, while also separately evaluating course rigor. Check each college's admissions requirements.