Fraction to Percent Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the numerator and denominator.
- Read the percentage and decimal.
How it works
Divide the numerator by the denominator, then multiply by 100 for the percentage.
Worked example
3/4. = 75% (0.75).
Common mistakes
- Entering 0 as the denominator — division by zero is undefined.
- Reading the decimal as the percentage — multiply by 100 first.
Frequently asked questions
How do I turn a percent back into a fraction?
Put the percent over 100 and simplify — 75% = 75/100 = 3/4.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.