42 is 420% of 10. Divide 42 by 10 and multiply by 100: 42 ÷ 10 = 4.2, and 4.2 × 100 = 420%.
How to work out what percent 42 is of 10
Percent = (X ÷ Y) × 100
- Write it as a fraction: 42/10 (simplifies to 21/5).
- Divide: 42 ÷ 10 = 4.2.
- Multiply by 100: 4.2 × 100 = 420%.
Check: 420% of 10 = 420 × 10 ÷ 100 = 42.
Nearby values
| 37 is what % of 10 | 370% |
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| 40 is what % of 10 | 400% |
| 41 is what % of 10 | 410% |
| 42 is what % of 10 | 420% |
| 43 is what % of 10 | 430% |
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| 10% of 10 | 1 |
| 20% of 10 | 2 |
| 25% of 10 | 2.5 |
| 50% of 10 | 5 |
| 75% of 10 | 7.5 |
Practising percentages? Free printable percentage worksheets with answer keys.