Rounding Calculator
Round to decimals, significant figures, or the nearest multiple.
Rounded
3.14
from 3.14159
Rounded down
3
Rounded up
4
Nearest whole
3
Difference
-0.00159
ShowHide the working
- 1Keep 2 digits after the decimal point
- 23.14159 → 3.14
Formula
round(x × 10ⁿ) ÷ 10ⁿHow it works
Rounds to decimal places, significant figures, or the nearest multiple. Halfway values round away from zero, the convention most people expect.
Example
3.14159 to 2 decimal places is 3.14; to 3 significant figures it is 3.14.
About the Rounding Calculator
Round to decimals, significant figures, or the nearest multiple. It sits in the Everyday section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the Rounding Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The Rounding Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the Rounding Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Everyday?
- The calculators you reach for daily — basic math, percentages, tips, averages. You can browse the full Everyday category for related calculators.