GPA Calculator
Calculate your semester GPA on the 4.0 scale. Enter grade and credit hours for up to 5 courses to get your weighted grade point average.
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Your GPA is ... based on ... credit hours and ... total grade points.
What is GPA?
A Grade Point Average (GPA) summarizes your academic performance as a single number. In the United States and many other countries that use the 4.0 scale, every letter grade is converted to a numeric value, then weighted by the number of credit hours the course carries. The result tells instructors, employers, and graduate programs how consistently you have performed across a varied course load.
The 4.0 scale explained
Each letter grade maps to a fixed numeric value:
| Letter Grade | GPA Points |
|---|---|
| A+ | 4.0 |
| A | 4.0 |
| A− | 3.7 |
| B+ | 3.3 |
| B | 3.0 |
| B− | 2.7 |
| C+ | 2.3 |
| C | 2.0 |
| C− | 1.7 |
| D+ | 1.3 |
| D | 1.0 |
| F | 0.0 |
Note that A+ and A carry the same value (4.0) on most 4.0-scale systems. Some institutions do not award A+; others treat it as 4.3.
How GPA is calculated
The formula is a weighted average:
GPA = Total Grade Points ÷ Total Credit Hours
Where grade points for a single course = grade value × credit hours.
Example calculation:
Suppose you take five courses:
| Course | Grade | Value | Credits | Grade Points |
|---|---|---|---|---|
| English 101 | B | 3.0 | 3 | 9.0 |
| Calculus I | A− | 3.7 | 4 | 14.8 |
| History | B− | 2.7 | 3 | 8.1 |
| Biology | B+ | 3.3 | 3 | 9.9 |
| Art | C | 2.0 | 2 | 4.0 |
| Total | 15 | 45.8 |
GPA = 45.8 ÷ 15 = 3.053
The weighting means that a 4-credit course contributes proportionally more to your GPA than a 2-credit course, which is why heavy courses in your major often define your GPA more than electives.
What GPA benchmarks mean
| GPA Range | Interpretation |
|---|---|
| 3.7–4.0 | Summa / Magna Cum Laude territory; very competitive for graduate school |
| 3.5–3.69 | Strong academic performance; competitive for most programs |
| 3.0–3.49 | Solid B average; meets most minimum requirements |
| 2.5–2.99 | Passing with room for improvement |
| Below 2.0 | Academic probation risk at many institutions |
"Good" is always context-dependent. Highly competitive medical, law, or PhD programs may look for 3.5+. Employers in many fields focus more on experience than GPA once you are above 3.0.
Weighted vs. unweighted GPA
An unweighted GPA treats all courses equally on the 4.0 scale — an A in a remedial class and an A in an Advanced Placement (AP) course both count as 4.0. This is the standard used on most college transcripts.
A weighted GPA (more common in US high schools) rewards course difficulty by adding bonus points: an A in an AP or honors class might be worth 4.5 or 5.0. This calculator computes a standard unweighted 4.0-scale GPA, which is what colleges and employers typically request.
How to calculate cumulative GPA
Cumulative GPA is not the average of your semester GPAs. If Semester 1 carries 12 credit hours and Semester 2 carries 18 credit hours, the two semesters contribute very differently to your overall standing. The correct method:
- Keep a running total of all grade points earned across every semester.
- Keep a running total of all credit hours attempted.
- Cumulative GPA = Total Grade Points ÷ Total Credit Hours.
Example:
- Semester 1: 36 grade points, 12 credits → GPA 3.0
- Semester 2: 63 grade points, 18 credits → GPA 3.5
- Cumulative: (36 + 63) ÷ (12 + 18) = 99 ÷ 30 = 3.30
Averaging the two semester GPAs (3.25) gives the wrong answer because it ignores the differing credit loads.
International grading scale comparison
The 4.0 GPA scale is predominantly used in the United States, Canada, and some other countries. International applicants often need to convert their grades:
- United Kingdom: Classified as First (70%+), 2:1 (60–69%), 2:2 (50–59%), Third (40–49%). A First roughly corresponds to a US GPA of 3.7+.
- Germany: Uses a 1–5 scale where 1 is best (sehr gut / very good) and 5 is failing. A German grade of 1.0–1.5 approximates a US 4.0 GPA. This reverse direction frequently causes confusion.
- France: Grades are out of 20; 16–20 is excellent, 12–14 is equivalent to a passing B. A score of 16/20 is roughly a US 3.7–4.0.
- Japan: Most universities use a 100-point system alongside 優（90–100）/ 良（80–89）/ 可（70–79）/ 不可（below 70）. Japanese universities rarely report a single GPA number; international applications may require a letter from the registrar.
- Australia: Uses High Distinction / Distinction / Credit / Pass / Fail. HD (75–100%) is broadly equivalent to A/A− on the US scale.
When applying to universities or jobs internationally, always check whether a GPA conversion tool or official transcript evaluation (such as WES in North America) is required.
Tips for improving your GPA
- Prioritize high-credit courses. A 4-credit lecture course moves your GPA twice as much as a 2-credit seminar. Focus extra effort on courses with more weight.
- Retake strategically. Many institutions replace the original grade with the retaken grade, letting you repair damage from an early poor semester.
- Early momentum matters. A very low GPA in Freshman year is hard to recover mathematically: each semester of A-range work moves the needle less and less as the denominator (total credits) grows.
- Grade forgiveness policies. Some schools apply academic renewal policies that exclude old failed courses from the GPA calculation. Check your institution's policy before retaking classes.
Limitations of this calculator
This calculator uses the most common US 4.0 scale. Your institution may differ in small ways:
- Some schools assign 4.3 for A+.
- Pass/Fail or audit courses are typically excluded from GPA calculations.
- Transfer credits may be excluded or averaged separately.
- Graduate programs often use a separate GPA calculation.
Always verify with your institution's registrar for official GPA figures.
GPA is itself a weighted average — the same arithmetic that underlies many statistical summaries. If you want to explore the mechanics further, see the
Frequently Asked Questions (FAQ)
How is GPA calculated?
GPA (Grade Point Average) is calculated using a weighted average. Each course contributes grade points equal to its letter-grade value multiplied by its credit hours. The GPA is the sum of all grade points divided by the total number of credit hours. For example, an A (4.0) in a 3-credit course gives 12 grade points; an A in a 4-credit course gives 16 grade points.
What is considered a good GPA in college?
On the 4.0 scale, a GPA of 3.5–4.0 (A range) is generally considered excellent and qualifies students for honors programs or graduate school. A 3.0–3.49 (B range) is solid and competitive for most opportunities. Below 2.0 may put a student on academic probation at many institutions. "Good" also depends on your major — STEM fields often have lower average GPAs than humanities.
What is the difference between weighted and unweighted GPA?
An unweighted GPA treats all courses equally — an A is always 4.0 regardless of course difficulty. A weighted GPA gives extra points for harder courses: AP or honors classes may award 4.5 or 5.0 for an A. This calculator computes a standard unweighted 4.0-scale GPA. Most college transcripts use an unweighted system.
How do I calculate my cumulative GPA across multiple semesters?
Cumulative GPA is not the average of semester GPAs — that approach ignores differences in credit loads. Instead, add up all grade points from every semester and divide by the total credit hours attempted across all semesters. Keep a running total of both numbers each term for an accurate cumulative GPA.