🔢 Rounding Calculator
Round numbers to decimal places
How to Use This Calculator
1
Enter Number and Decimals
Input a number and desired decimal places.
2
Get Rounded Result
See rounded number plus ceiling and floor.
Rounding Rules
Look at the digit after decimal place
If 0-4: Round down (keep as is)
If 5-9: Round up (increase by 1)
Example: 3.147 to 2 decimals = 3.15
About Rounding Calculator
The Rounding Calculator rounds numbers to a specified number of decimal places and shows ceiling and floor values.
When to Use This Calculator
- Estimation: Round numbers
- Report: Specify precision
Why Use Our Calculator?
- ✅ Multiple Methods: Round, ceiling, floor
- ✅ Educational: Learn rounding
- ✅ Completely Free: No registration required
Frequently Asked Questions
How do you round numbers?
Look at the next digit. If 0-4, round down; if 5-9, round up.