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100% Client-Side & Private • Updated for 2025/2026 Academic Year

Free GPA Calculator for High School & College

Calculate unweighted and weighted grade point averages instantly. Customize course credits, AP/IB/Honors weights, and simulate cumulative semester standing with complete privacy.

Grading Mode:
Course NameCreditsGradeCourse TypeActions
Calculated GPA
0.00
Total Credits0
Total Quality Points0.00
Grading ScaleStandard 4.0 Scale
How was this GPA calculated?

Grade Point Average (GPA) is computed by dividing total quality points earned by total credit hours attempted:

GPA=
Total Quality PointsTotal Credit Hours
=
∑ (Course Credits × Grade Points)∑ Course Credits

Each course earns quality points equal to its credit hours multiplied by its numeric grade point value (e.g., 3 credits × 4.0 for an A = 12.0 quality points).

Engineered for Academic Precision

Everything you need to calculate, forecast, and plan your academic trajectory.

Weighted & Unweighted

Seamlessly toggle between standard 4.0 unweighted GPA and weighted 5.0 systems for Honors (+0.5) and AP / IB / Dual Enrollment (+1.0) courses.

Zero Server Tracking

Your academic transcripts and grades never touch an external server or cloud database. 100% of calculations execute in your local browser sandbox.

Real-Time Cumulative Math

Incorporate prior credit hours and previous GPA to see how current semester grades alter your overall cumulative GPA in real time.

How to Calculate Your GPA Step-by-Step

A Grade Point Average (GPA) is the credit-weighted arithmetic mean of all numeric grade points earned over an academic term or entire degree program.

The Standard GPA Formula

GPA=
Total Quality PointsTotal Credit Hours
=
∑ (Course Credit Hours × Grade Points)∑ Course Credit Hours
Human-readable summary: For each course, multiply its credit hours by the grade point value (e.g., 3 credits × 4.0 for an A = 12 quality points). Add all quality points together and divide by the total number of credit hours attempted.

Step 1: Convert Letter Grades to Grade Points

Convert each class letter grade to its numeric grade point value on the 4.0 scale (e.g., A = 4.0, B = 3.0, C = 2.0).

Step 2: Calculate Course Quality Points

Multiply the credit hours of each course by its numeric grade point value. For example, a 4-credit course with an A earns 4 × 4.0 = 16.0 quality points.

Step 3: Sum Quality Points and Total Credits

Add all quality points earned across all courses, and add all credit hours attempted.

Step 4: Divide Total Points by Total Credits

Divide total quality points by total credit hours and round to two decimal places (e.g., 45.0 quality points ÷ 15 credits = 3.00 GPA).

Standard 4.0 U.S. Grading Scale Reference

Letter GradeStandard (4.0)Honors (+0.5)AP / IB (+1.0)Percentage
A+4.004.505.0097–100%
A4.004.505.0093–96%
A-3.704.204.7090–92%
B+3.303.804.3087–89%
B3.003.504.0083–86%
B-2.703.203.7080–82%
C+2.302.803.3077–79%
C2.002.503.0073–76%
C-1.702.202.7070–72%
D+1.301.802.3067–69%
D1.001.502.0063–66%
D-0.701.201.7060–62%
F0.000.000.000–59%
View All Grading Scales & Custom Scale Builder →

Frequently Asked Questions

Clear, factual answers to common questions about college and high school GPA calculations.

Key takeaway: On the standard U.S. 4.0 grading scale, an 80% corresponds to a B- (2.7 GPA) or a low B (3.0 GPA), depending on your school’s conversion rubric.

Grading scales vary significantly by institution. In most standard college and high school systems using plus/minus modifiers, 80–82% is assigned a B- (2.7 grade points). In simple 10-point scale systems without minuses, 80–89% is a flat B (3.0 grade points). In weighted high school AP/IB classes, an 80% can earn up to 3.7 or 4.0 weighted grade points. Always verify your school district or university registrar rubric.

Key takeaway: Yes, a 3.4 GPA is solidly above the national average for both high school (approx. 3.0) and college (approx. 3.1).

A 3.4 unweighted GPA represents an overall B+ average (approx. 87–89%). It qualifies students for the Dean’s List at many universities, opens opportunities for competitive merit scholarships, and makes applicants strong candidates for a wide range of selective colleges and graduate degree programs.

Key takeaway: On the standard 4.0 scale, a C+ equals 2.3 grade points (or 2.33 at universities like UF).

A C+ typically represents scores in the 77% to 79% range. It indicates satisfactory academic mastery above the minimum passing benchmark. While 2.3 is standard across most U.S. institutions, some universities use 2.333 or omit plus/minus modifiers entirely.

Key takeaway: A 70% typically translates to a C- (1.7 GPA) on a plus/minus scale, or a flat C (2.0 GPA) on a simple 10-point scale.

Most secondary and post-secondary institutions map 70–72% to a C- (1.7 grade points). In schools without plus/minus grading, 70–79% constitutes the full C bracket (2.0 grade points). Always verify with your institution’s official handbook.

Key takeaway: On a standard U.S. 4.0 scale, a 7.0 does not exist. However, on non-standard weighted or international scales (like a 7.0 or 10.0 scale), 7.0 is the maximum or very high.

In the United States, standard unweighted GPAs cap at 4.0, and weighted GPAs rarely exceed 5.0 or 6.0. However, some international systems (such as in Australia or certain specialized honors matrices) utilize a 7.0 scale where 7.0 represents High Distinction (the highest possible academic mark).

Key takeaway: In high school, top 1% typically requires a 4.0 unweighted GPA or a 4.5–4.9+ weighted GPA. In college, it is generally 3.90–4.00.

Class rank thresholds depend heavily on school competitiveness and course weighting policies. In high schools with heavy AP/IB participation, students in the top 1% take nearly all advanced coursework, yielding weighted GPAs between 4.6 and 5.0. In university programs, top 1% graduates (Summa Cum Laude) typically maintain a 3.92 to 4.00.

Key takeaway: Yes, a 5.0 GPA is possible in weighted high school grading systems when taking Advanced Placement (AP), International Baccalaureate (IB), or Dual Enrollment courses.

On an unweighted scale, the maximum is always 4.0 (all A’s). However, many high schools award a 1.0 quality point bonus for AP/IB courses (turning an A from 4.0 to 5.0). A student taking exclusively AP/IB courses and earning straight A’s will graduate with a 5.0 weighted GPA.

Key takeaway: An unweighted 4.0 (straight A’s throughout an entire academic career) is relatively rare, achieved by roughly 2% to 10% of students depending on institutional rigor.

Maintaining an unweighted 4.0 requires earning an A or A+ in every single class without receiving a single A- (on strict plus/minus scales) or B. In college, especially in rigorous STEM or pre-med curricula, a 4.0 cumulative GPA is an exceptional achievement.

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