Decimal Rounding Calculator
Round a positive or negative decimal to a chosen number of places. Compare the rounded value with the signed rounding difference.
- Free
- No sign-up
- Runs in your browser
Someone shared this result with you. It was made with Decimal Rounding Calculator, free on VISU, no sign-up.
Result
Enter the required values to see your result. Use the example to try the complete calculation.
Choose 0 to 8 decimal places. Halfway cases round away from zero, not to the nearest even digit. JavaScript uses finite-precision binary numbers.
How this calculation works
Decimal Rounding Calculator
Round a positive or negative decimal to a chosen number of places. Compare the rounded value with the signed rounding difference.
Units and limits
Choose 0 to 8 decimal places. Halfway cases round away from zero, not to the nearest even digit. JavaScript uses finite-precision binary numbers.
Formulas
- Calculation
- round(|x| × 10^places) × sign(x) / 10^places
Give your project a place to be found
Use VISU Link to bring your project links together on one page. This calculator remains free and works without an account.
Discover VISU LinkHow to use it
- Choose the operation when available and enter your own values in the labelled fields.
- Check the units and the limits explained below before interpreting the answer.
- Read the result and its details. Copy it or download a result card; no account is required.
Examples
Worked example
12.345 to two decimal places is 12.35.
Another case
-2.5 to zero decimal places is -3: halfway cases round away from zero.
Add this tool to your site
Put this tool on your blog, store or club site. It runs inside your page, free, with no account, and a small "by VISU" credit line under it.
Questions
What does this tool calculate?
Round a positive or negative decimal to a chosen number of places. Compare the rounded value with the signed rounding difference.
Which inputs and units should I use?
Choose 0 to 8 decimal places. Halfway cases round away from zero, not to the nearest even digit. JavaScript uses finite-precision binary numbers.
Can I check a worked example?
12.345 to two decimal places is 12.35.
Are my input values uploaded or stored?
No. The calculation runs in this browser. Typed values are not sent to analytics, placed in the page URL or saved by the calculator. Copying or downloading is an action you choose.
Do I need an account or a paid plan?
No. The calculation, example, result copy and result card are available without registration. VISU services are an optional next step.