Converting fractions to decimals makes them easy to compare and use in calculators and spreadsheets.
How to use the Fraction to Decimal Calculator
- Whole number (optional)
- Numerator
- Denominator
Results update as you type, and every field accepts the units shown in its menu.
How it works
Divide the numerator by the denominator and add any whole number part.
Inputs explained
| Field | What to enter |
|---|---|
| Whole number (optional) | A number |
| Numerator | A number |
| Denominator | A number |
What each result means
- Decimal = [Whole number (optional)] + [Numerator] ÷ [Denominator]
- Percentage = [Decimal] × 100
Formula
Decimal = whole + numerator ÷ denominatorWorked example
Inputs — Whole number (optional): 0; Numerator: 7; Denominator: 8.
Results — Decimal = 0.875; Percentage = 87.5 %.
Frequently asked questions
Why do some fractions give repeating decimals?
When the denominator has prime factors other than 2 and 5, such as 1/3.
How do I convert a percentage back?
Divide by 100 and simplify.
What formula does the Fraction to Decimal Calculator use?
Decimal = whole + numerator ÷ denominator.