Test score calculator

Your test percentage is the number right divided by the total, times 100: 42 out of 50 is 84%, a B. Enter your score to get the percent, the letter and how many you could miss for each grade.

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Optional. A to D are always shown; type your own target, like 85 or 93, to add it.

How to work out a test percentage

Score % = right ÷ total × 10042 right out of 50: 42 ÷ 50 = 0.84, × 100 = 84%.

Most you can miss = total × (100 − target) ÷ 100, rounded downFor a 90% on 50 questions: 50 × 10 ÷ 100 = 5 wrong. For points tests the exact number is shown.

  1. Count what you gotQuestions right, or points earned if questions are worth different amounts or you got partial credit.
  2. Divide by the totalDivide by the number of questions or points possible, then multiply by 100.
  3. Read the letterOn the common scale, 90% and up is an A, 80% a B, 70% a C and 60% a D. Check your school’s grading policy for its cutoffs.

Know your test length? The test grade charts list every score from 0 wrong to all wrong for tests with 5 to 50 questions, like the 20-question and 25-question charts.

Questions students ask

What is 42 out of 50 as a percentage?
42 ÷ 50 × 100 = 84%, which is a B on the common 90/80/70/60 scale.
How many can I miss on a 50-question test and still get an A?
Five. 45 right out of 50 is exactly 90%; 44 right is 88%, a B.
How do I score a test with partial credit?
Switch to points. Add up the points you earned, including partial credit, and divide by the points possible.
Is 89.5% an A?
Not on this calculator, which never rounds up; 89.5% is a B. Some teachers round to the nearest whole percent, so check your school’s grading policy.

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