Math & Numbers
Decimal-to-Fraction Calculator
Convert a decimal to a fraction and reduce it to simplest terms where possible.
How to use the decimal-to-fraction calculator
Convert a decimal to a fraction and reduce it to simplest terms where possible. Enter the requested values and select Calculate result. Check the units and options before interpreting the answer.
Formula and calculation method
Write the decimal over a power of ten and reduce; this tool limits the denominator for approximation.
Worked example
0.75 = 75/100 = 3/4.
Limitations and interpretation
Results depend on inputs, assumptions and rounding. Verify results before using them for consequential decisions. Health estimates are not medical diagnoses.
Frequently asked questions
Can negative decimals be converted?
Yes.
Are repeating decimals exact?
This tool approximates values using a denominator limit; check the exactness note.