64 out of 100 is 64% — a D grade on the standard US grading scale (1.0 GPA). Getting 33 more questions right would have raised this to a A+ (97%).
What Grade Is 64 out of 100?
64 out of 100 is 64% — a D. This is a passing result at most US schools, but sits in the minimum passing range. A D grade meets the bare academic requirement — if your program requires a C or above, this score does not meet that threshold.
On a 100-question test, each question is worth 1%. With 36 wrong answers, that brings the score to 64%. Getting 33 more questions right would have raised this to a A+ (97%).
The Calculation
Nearby Scores — What a Few More or Fewer Correct Answers Would Have Been
| Score | Wrong | Percentage | Letter Grade |
|---|---|---|---|
| 62/100 | 38 | 62% | D |
| 63/100 | 37 | 63% | D |
| 64/100 ← your score | 36 | 64% | D |
| 65/100 | 35 | 65% | D |
| 66/100 | 34 | 66% | D |
What Does 64% Mean?
For teachers: on a 100-question test, each question is worth 1%. Getting 10 wrong drops a perfect score to 90% (A−). Use the Easy Grader to grade the full class stack quickly.
This score is typical for a 100-question test in a standardized or final exam. It is commonly used as comprehensive year-end assessment. To calculate any other score instantly, use the free Grade Calculator or Easy Grader above.
Frequently Asked Questions
Grade percentage calculated using the standard formula: (correct answers ÷ total questions) × 100. Letter grade based on the standard US A–F grading scale used by most K–12 schools and colleges.