What Grade is 15 out of 21?

Grading a stack of papers?

The free grade calculator lets you punch in wrong answers one at a time and see the grade update as you go.

Your Score

71%

C-

Passing

How is this calculated?

15 / 21 = 0.7143 × 100 = 71%

Each question is worth 4.76% of the total grade.

Correct Wrong Percentage Grade
21 0 100% A+
20 1 95% A
19 2 90% A-
18 3 86% B
17 4 81% B-
16 5 76% C
15 6 71% C-
14 7 67% D+
13 8 62% D-
12 9 57% F
11 10 52% F
10 11 48% F
9 12 43% F
8 13 38% F
7 14 33% F
6 15 29% F
5 16 24% F
4 17 19% F
3 18 14% F
2 19 10% F
1 20 5% F
0 21 0% F

About This Score

Getting 15 correct out of 21 questions gives you a score of 71%, which is a C-. You got 6 questions wrong.

This is a passing grade. Most schools and teachers consider 60% or above to be passing.

To move up to a C, you would need 1 more correct answer (16 out of 21).

Frequently Asked Questions

What is 15 out of 21 as a percentage?

15 out of 21 is 71%. Divide 15 by 21 and multiply by 100.

What letter grade is 15 out of 21?

15 out of 21 is a C- on the standard grading scale.

Is 15 out of 21 a passing grade?

Yes. 15 out of 21 is 71%, which is above the typical 60% passing threshold.

Is 15 out of 21 a good grade?

71% earns a C-. It's a passing grade, but most students aim for 80% or higher.