How to use Fraction ↔ Decimal Converter
- Enter a fraction or a decimal.
- Convert in either direction.
- Copy the simplified result.
Worked examples
Concrete numbers and cases you can check against the tool above.
0.125 and 2 1/3
0.125 = 125/1000 = 1/8 after dividing by 125. Mixed number 2 1/3 = 7/3 ≈ 2.333…. Woodworking cut lists almost always want the fraction; spreadsheet formulas want the decimal. Simplify before you measure.
When to use Fraction ↔ Decimal Converter
Homework, woodworking, and recipes jump between fractions and decimals. Converting and simplifying fractions avoids calculator-mode confusion.
Common use cases
- Turn 0.125 into 1/8 for a cut list.
- Convert 2 1/3 cups to a decimal for scaling.
- Simplify improper fractions on math worksheets.
- Check mixed-number results from a word problem.
Inputs and outputs
- Proper/improper fractions
- Mixed numbers
- Decimal numbers
Privacy
This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.
Frequently asked questions
- Will fractions always simplify?
- Yes when a simpler equivalent exists (for example 2/4 → 1/2).
- Are repeating decimals exact?
- Finite decimal displays may round repeating values. Fractions remain exact when shown as ratios.
- Is data private?
- Yes. Conversion is local.