Step by step
- Type the part (for example 30) in the second line.
- Type the whole (for example 120).
- Read the percentage: 25%.
At a glance
| Question | Calculation | Answer |
|---|---|---|
| 30 of 120 | 30 ÷ 120 × 100 | 25% |
| 18 of 24 answers | 18 ÷ 24 × 100 | 75% |
| 150 of 120 | 150 ÷ 120 × 100 | 125% |
Related questions
Which number goes on top?
The part you are asking about goes on top, the total underneath.
How do I round the answer?
Most uses need one decimal place, such as 66.7%.
Is this how test scores are worked out?
Yes: marks earned ÷ total marks × 100.
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Open the full percentage calculator →
Updated November 14, 2026.