Fraction to Percentage Calculator
Turn a fraction into a percentage instantly. Enter the numerator (top number) and the denominator (bottom number) to see the decimal value, the percentage and the fraction in its simplest form.
3/8 is equal to 37.5%.
- Decimal
- 0.375
- Percentage
- 37.5%
- Fraction (simplest form)
- 3/8
Calculated in your browser. Results are rounded to 4 decimal places.
How to Convert a Fraction to a Percentage
Divide the numerator by the denominator to get a decimal, then multiply the decimal by 100 to express it as a percentage.
- 13 ÷ 8 = 0.375
- 20.375 × 100 = 37.5
Therefore: 3/8 is equal to 37.5%.
Common Fractions as Percentages
| Fraction | Decimal | Percentage |
|---|---|---|
| 1/2 | 0.5 | 50% |
| 1/3 | 0.3333 | 33.3333% |
| 1/4 | 0.25 | 25% |
| 1/5 | 0.2 | 20% |
| 2/3 | 0.6667 | 66.6667% |
| 3/4 | 0.75 | 75% |
| 1/8 | 0.125 | 12.5% |
| 1/10 | 0.1 | 10% |
When Is a Fraction to Percentage Calculator Useful?
- Converting test scores
- Survey and poll results
- Recipe measurements
- Homework and study
- Reporting statistics
- Completion rates at work
Frequently Asked Questions
1/3 is 33.3333% (rounded to 4 decimal places). The decimal 0.3333… repeats forever, so any written value is rounded.
Enter 42 as the numerator and 50 as the denominator. 42 ÷ 50 = 0.84, which is 84%.
Yes. Improper fractions give percentages above 100%. For example, 5/4 is 125%.
Division by zero is undefined, so a fraction with 0 on the bottom has no percentage value.