24 Out of 30 as a Percentage

24 out of 30 is 80%. On a test, that is a B−.

Percentage
80%
Decimal
0.8
Simplest fraction
4/5
Letter grade
B−

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24 is 80% of 30

80%

As a fraction
24/30
Remaining
20%
24 ÷ 30 = 0.8
0.8 × 100 = 80%

How to work out 24/30 as a percentage

  1. Divide the part by the whole: 24 ÷ 30 = 0.8.
  2. Multiply by 100: 0.8 × 100 = 80%.

Put another way, you missed 6 of 30, which is 20%. Together the two shares always add up to 100%. To reach 90%, you would need 27 out of 30.

What 24/30 means for a grade

Each question on a 30-point test is worth about 3.33%, so 24 correct gives 80%, a B−.

24 out of 30 is the same proportion as 4 out of 5 and 16 out of 20, which is why all three come out to exactly 80%.

Scores near 24 out of 30

ScorePercentageGrade
27 / 3090%A−
26 / 3086.67%B
25 / 3083.33%B
24 / 3080%B−
23 / 3076.67%C
22 / 3073.33%C
21 / 3070%C−

Other common scores

Questions people ask

What is 24 out of 30 as a percentage?

24 out of 30 is 80%. Divide 24 by 30 to get 0.8, then multiply by 100.

What grade is 24/30?

80% is a B− on the standard US grading scale (90–100 A, 80–89 B, 70–79 C, 60–69 D, below 60 F). Your school's own cutoffs may differ slightly.

What is 24/30 as a fraction in simplest form?

24/30 simplifies to 4/5 by dividing the top and bottom by 6.

How many out of 30 do I need for 90%?

You need 27 out of 30, which is 90%. That is 3 more than 24.