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Percentage Calculator
Find a percentage of a number, what percent one number is of another, or the whole from a part.
Fraction to Decimal Calculator
Convert a fraction to a decimal, showing repeating decimals and the percentage.
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How to use this calculator
Enter your values. The result updates as you type; press Calculate to confirm and jump to the result on mobile. Use Share to send the calculator with your result.
How to convert
Divide the numerator by the denominator. If the remainder ever repeats, the digits from that point repeat forever: 1/7 = 0.142857. A fraction in lowest terms terminates only if its denominator has no prime factors other than 2 and 5.
| Fraction | Decimal |
|---|---|
| 1/2 | 0.5 |
| 1/3 | 0.333333 |
| 2/3 | 0.666667 |
| 1/4 | 0.25 |
| 3/4 | 0.75 |
| 1/5 | 0.2 |
| 1/6 | 0.166667 |
| 1/8 | 0.125 |
| 3/8 | 0.375 |
| 5/8 | 0.625 |
| 1/9 | 0.111111 |
| 1/12 | 0.083333 |
| 1/16 | 0.0625 |
Frequently asked questions
What is 3/8 as a decimal?
0.375.
What is 2/3 as a decimal?
0.666… (the 6 repeats).
About this tool
- Written by
- [Author: to be assigned]
- Reviewed by
- Formula tests passed · human review pending
- Last updated
- 31 Oct 2026
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