GPA Calculator
Select your country, then choose your education level to calculate your GPA instantly.
Calculator
Enter your subject grades or marks.
The USA GPA Calculator helps American high school and college students calculate their Grade Point Average on the standard 4.00 scale. Whether you’re tracking your semester performance, applying to universities, or preparing for graduate school — this tool gives you instant, accurate results using the US grading system.
Table of Contents
What is a USA GPA Calculator?
A USA GPA Calculator is an online tool that calculates your Grade Point Average using the 4.00 scale — the standard grading system in the United States. American high schools and colleges assign letter grades (A, B+, B, etc.) that convert into grade points. The GPA is the weighted average of those grade points across all your courses.
The United States uses a credit-based system where each course has a specific credit value. The GPA formula is:
GPA = Total Quality Points ÷ Total Credit Hours
- Quality Points = Grade Point × Credit Hours
- Credit Hours = The weight of each course (usually 3-4 credits)
How to Use This USA GPA Calculator
- Select “United States” from the country dropdown (auto-selected on this page)
- Choose your education level — High School or College
- Enter each course — Course name, credit hours, and letter grade
- Click Calculate GPA — your result appears instantly with a visual ring
- Download PDF — get a professional report with your student name
US Grading System (4.00 Scale)
The 4.00 scale is the standard grading system used by most US high schools and colleges, as documented by the College Board.
| Letter Grade | Grade Point | Percentage Range |
|---|---|---|
| A+ / A | 4.00 | 90–100% |
| A- | 3.70 | 85–89% |
| B+ | 3.30 | 80–84% |
| B | 3.00 | 75–79% |
| B- | 2.70 | 70–74% |
| C+ | 2.30 | 65–69% |
| C | 2.00 | 60–64% |
| C- | 1.70 | 55–59% |
| D | 1.00 | 50–54% |
| F | 0.00 | 0–49% |
The United States Department of Education uses this scale to standardize GPAs across high schools and colleges .
Example Calculation (4.00 Scale)
Suppose you’re a college student with these courses:
| Course | Credit | Grade | Grade Point | Quality Points |
|---|---|---|---|---|
| Mathematics | 3 | A | 4.00 | 12.00 |
| Physics | 3 | B+ | 3.30 | 9.90 |
| English | 2 | A- | 3.70 | 7.40 |
| Chemistry | 4 | B | 3.00 | 12.00 |
- Step 1: Multiply each grade point by credit hours.
- Step 2: Add all quality points: 12.00 + 9.90 + 7.40 + 12.00 = 41.30
- Step 3: Add total credits: 3 + 3 + 2 + 4 = 12
- Step 4: Divide: 41.30 ÷ 12 = 3.44 GPA
High School vs College GPA
Content:
| Feature | High School | College |
|---|---|---|
| Scale | 4.00 (unweighted) or 5.00 (weighted) | 4.00 (standard) |
| Courses | 6-8 per semester | 4-6 per semester |
| Credits | Usually 1 per course | Usually 3-4 per course |
| Weighted GPA | AP, IB, Honors get extra points | Rarely weighted |
Average GPA: The average US high school GPA is 3.0, and the average college GPA is 3.1 .
Frequently Asked Questions
What is a good GPA in the USA?
How many credits do US courses have?
Most US college courses are worth 3 or 4 credit hours. Lab courses may be 1-2 credits. High school courses are usually 1 credit each.
What is the difference between weighted and unweighted GPA?
Does the USA GPA Calculator support weighted GPA?
This calculator uses the standard 4.00 unweighted scale. For weighted GPA calculation, you may need to add extra points manually for AP/IB courses.
Can I calculate GPA with pass/fail courses?
No. Courses taken as Pass/No Pass or Credit/No Credit do not factor into GPA calculation.