Math Calculators
Rounding Calculator
Round a number to any number of places.
FreeNo sign-upWorks in your browser
Enter details
Result
Rounded to 2 places
3.14
Rounded to nearest integer
3
About the Rounding Calculator
Round a number cleanly to the precision you need. Enter a number and the number of decimal places and the calculator returns the rounded value, plus the nearest whole number. It uses standard round-half-up rounding — handy for money, measurements, and tidying up results.
How to use the Rounding Calculator
- 1Enter your a number and the decimal places.
- 2Read the result instantly — it recalculates as you type.
- 3Adjust the numbers to model different scenarios.
Frequently asked questions
How does rounding work?
Digits at or above 5 in the next place round up; below 5 round down. This tool rounds to your chosen number of decimal places.
Can I round to the nearest 10 or 100?
This tool rounds to decimal places and the nearest integer. For tens/hundreds, round then adjust, or use the significant-figures approach.