31 out of 40 as a percentage
31 out of 40 is 77.5%, a C+ on the standard grading scale. Passing at both 60% and 70%.
How it's calculated: 31 ÷ 40 = 0.775, and 0.775 × 100 = 77.5%.
31/40 on other grading scales
Compare the scalesGrading chart for a 40-question test
Every possible score on a 40-question test, by number wrong. Teachers: open it in the EZ grader to print it.
Questions about 31/40
Is 31 out of 40 a good grade?
It's a C+ (77.5%): about average, and passing on most scales. 32 out of 40 (80%) would make it a B−.
Is 31 out of 40 passing?
Yes. 77.5% passes at both 60% (the usual D− cutoff) and 70% (the C cutoff many colleges use for pass/fail and major courses).
What is 31/40 as a GPA?
On a 4.0 scale, a C+ (77.5%) is worth 2.3 grade points. If your school doesn't use + and − grades, it's a C, worth 2.0. See the full GPA scale.
How much will a 31/40 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 77.5% takes you to 88.75% (down 1.25 points). If it's worth 20%, you'd land at 87.5%. For a final exam, use the final grade calculator.