A GPA: what is an A worth?
On the standard US 4.0 scale, an A is worth 4.0 grade points (roughly 93–100%). Enter a percentage below to see its letter and GPA.
A on the 4.0 scale
An A maps to 4.0 grade points and a percentage of about 93–100%. Your GPA is the credit-weighted average of these points across all your courses.
Full letter-to-GPA table
| Letter | GPA points |
|---|---|
| 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 |
| D- | 0.7 |
| F | 0.0 |
How an A affects your GPA
One A in a 3-credit course contributes 4.0 × 3 = 12.0 grade points. Combine all courses with the GPA calculator to see your overall GPA.
Keeping an A: the daily score structure behind a 4.0
An A is not earned in finals week; it is assembled from category maths all semester. Because 93% is the usual floor, an A student has almost no room in heavily weighted categories: one 78% midterm in a class where exams are 60% of the grade means needing roughly 97s on everything after it. The practical rule is to keep every big-ticket item at 90+ and treat the small categories — homework, quizzes, participation — as must-be-perfect, since they are the cheapest points in the course.
Run your category arithmetic weekly, not after grades post. Multiply each category average by its syllabus weight and you will always know the exact score that keeps you above 93. And know why it matters: the step from A to A- is 0.3 grade points per course, which across a 15-credit term is the difference between a 4.0 and about a 3.9 — small on paper, decisive for top scholarships and class rank.
Frequently asked questions
How many GPA points is an A?
An A is worth 4.0 grade points on the 4.0 scale.
What percentage is an A?
Typically about 93–100%, though exact cut-offs vary by school.
How do I turn letter grades into a GPA?
Multiply each course’s points by its credits, sum, and divide by total credits — or use the GPA calculator.
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GPA Calculator · Grade Converter · International GPA Conversion · All grade tools