15 out of 20 as a percentage

75% — C approx. 2.0 GPA

15 / 20 x 100 = 75%

Letter grades here use the standard 10-point scale (A 90+, B 80+, C 70+, D 60+, F below 60). Your school's scale may differ — check your syllabus, or use the Test Grade Calculator where the scale is configurable.

How to Calculate 15 out of 20 as a Percentage

Divide the numerator by the denominator, then multiply by 100. Using the real numbers:

percent = (X / Y) x 100

percent = (15 / 20) x 100

percent = 0.75 x 100 = 75%

On the standard 10-point letter-grade scale, 75% maps to a letter grade of C, which carries a GPA value of 2.0.

Is 15 out of 20 a Good Score?

75% is an average, passing score. 15 out of 20 meets the baseline for most courses — you have demonstrated acceptable knowledge of the material. A C means you are passing, though further review of weaker areas could meaningfully raise your grade next time.

Score Reference Table — Out of 20

All 21 possible scores on a 20-point assessment, with percentages and letter grades. Your score is highlighted.

Score Percentage Letter
20/20 100% A
19/20 95% A
18/20 90% A
17/20 85% B
16/20 80% B
15/20 75% C
14/20 70% C
13/20 65% D
12/20 60% D
11/20 55% F
10/20 50% F
9/20 45% F
8/20 40% F
7/20 35% F
6/20 30% F
5/20 25% F
4/20 20% F
3/20 15% F
2/20 10% F
1/20 5% F
0/20 0% F

Letter Grade Breakdown

  • A — 90% and above (4.0 GPA)
  • B — 80%–89.9% (3.0 GPA)
  • C — 70%–79.9% (2.0 GPA)
  • D — 60%–69.9% (1.0 GPA)
  • F — below 60% (0.0 GPA)

If you answered 15 out of 20 questions correctly, your score is 75% — a letter grade of C. You got 5 questions wrong.

Use the Test Grade Calculator (pre-filled for 20 questions, 5 wrong) for a full grading-scale table. Or convert any percentage with the Percent to Letter Grade converter.

Frequently Asked Questions

What is 15 out of 20 as a percentage?

15 out of 20 as a percentage is 75%. The formula is (15 divided by 20) times 100 = 75%. On the standard 10-point grading scale that is a C (2.0 GPA).

Is 15 out of 20 a passing grade?

Yes — 75% (15/20) is a passing score on the standard 10-point scale. It earns a letter grade of C. Most courses require at least 60% (a D) to pass, though some programs require a C (70%) or higher for credit toward your major.

How many questions did I get wrong if I scored 15 out of 20?

You got 5 questions wrong out of 20. That is 25% incorrect, leaving you with a score of 75% (C).

Nearby Scores — Out of 20

See all scores out of 20 →