Decimal to fraction converter
Type the decimal and put any repeating part in brackets. The conversion is exact, with no rounding.
Loading the tool…
Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter decimal number.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Terminating: digits ÷ 10^places, then simplify. Repeating: (all digits - non-repeating digits) ÷ (10^k × (10^m - 1))
Example
Inputs: Decimal number = 0.75. Result: Fraction in lowest terms: 3/4; Percentage: 75%.
0.75
3/4
Limits and caveats
- A rounded value like 0.333 becomes 333/1000; type 0.(3) if you mean one third.
- Thousands separators and exponent forms like 1e-3 are not accepted.
Questions about this tool
How do I turn 0.75 into a fraction?
Write it as 75/100, then divide both by 25 to get 3/4.
How do I type a repeating decimal?
Put the repeating digits in brackets: 0.1666 repeating is 0.1(6), which becomes 1/6.
Can I type Arabic-Indic digits?
Yes. The tool accepts Arabic-Indic digits and the Arabic decimal separator, and shows the result in Western digits.