13 out of 15 as a percentage

Percentage86.67%
Letter gradeB
GPA points3.0
Wrong2

13 out of 15 is 86.67%, a B on the standard grading scale. Passing at both 60% and 70%.

How it's calculated: 13 ÷ 15 = 0.8667, and 0.8667 × 100 = 86.67%.

13/15 on other grading scales

Compare the scales
Standard with + and −BB is 83% to just under 87%
Plain 90/80/70/60BB is 80% to just under 90%
7-point scaleBB is 85% to just under 93%

Grading chart for a 15-question test

Every possible score on a 15-question test, by number wrong. Teachers: open it in the EZ grader to print it.

WrongScore%Grade
015/15100%A+
114/1593.3%A
213/1586.7%B
312/1580%B−
411/1573.3%C
510/1566.7%D
WrongScore%Grade
69/1560%D−
78/1553.3%F
87/1546.7%F
96/1540%F
105/1533.3%F
114/1526.7%F
WrongScore%Grade
123/1520%F
132/1513.3%F
141/156.7%F
150/150%F

Questions about 13/15

Is 13 out of 15 a good grade?

Yes. It's a B (86.67%): above average on most US scales and a passing grade everywhere. 14 out of 15 (93.33%) would make it an A.

Is 13 out of 15 passing?

Yes. 86.67% passes at both 60% (the usual D− cutoff) and 70% (the C cutoff many colleges use for pass/fail and major courses).

What is 13/15 as a GPA?

On a 4.0 scale, a B (86.67%) is worth 3.0 grade points. If your school doesn't use + and − grades, it's a B, worth 3.0. See the full GPA scale.

How much will a 13/15 affect my grade?

It depends on how much the test counts. If it's 10% of your grade and you have a 90% now, a 86.67% takes you to 89.67% (down 0.33 points). If it's worth 20%, you'd land at 89.33%. For a final exam, use the final grade calculator.