Decimal to Fraction Converter

Summary

Enter a decimal number and instantly get its simplified fraction, including support for repeating decimals like 0.333... = 1/3.

How it works

1. Enter a decimal number in the input field (e.g. 0.75 or 1.333...).
2. For repeating decimals, type the repeating digit(s) in the "Repeating part" field (e.g. enter 0.1 with repeating part 3 to get 0.1333... = 2/15).
3. Click Convert or press Enter to calculate.
4. The tool finds the GCD and reduces the fraction to lowest terms.
5. Copy the result with one click.

Use cases

• Simplify a measurement like 0.625 inches to 5/8 for woodworking.
• Convert a grade average like 0.875 to 7/8.
• Understand repeating decimals in math homework (e.g. 0.666... = 2/3).
• Convert recipe ratios to fractions for easier measurement.
• Verify fraction simplifications from a calculator.
• Quickly express probabilities as fractions.

Frequently Asked Questions