Key takeaways
Percent means per hundred. Any fraction or decimal becomes a percentage by scaling it to a denominator of one hundred.
- Decimal to percent: move the point two places right.
- Fraction to percent: divide, then move the point.
- Learn the common fractions by heart.
Decimals
0.375 → 37.5 %. Move the decimal point two places to the right.
Fractions
3 ⁄ 8 = 0.375 = 37.5 %. Divide the top by the bottom, then move the point.
The table
| Fraction | Percent |
|---|---|
| 1/2 | 50 % |
| 1/3 | 33.3 % |
| 1/4 | 25 % |
| 1/5 | 20 % |
| 1/8 | 12.5 % |
| 2/3 | 66.7 % |
| 3/4 | 75 % |
Going back
Percent to decimal: divide by 100. 62.5 % → 0.625 → 5 ⁄ 8.
Related questions
- What is 3/8 as a percent?
