Rounding Calculator
Round numbers to different precision levels including decimal places and significant figures.
Round numbers to different precision levels including decimal places and significant figures.
Enter Number
About Rounding
Rounding is the process of reducing the number of significant digits in a number while keeping its value close to the original.
Common Applications:
- • Financial calculations and currency
- • Scientific measurements and data
- • Statistical analysis and reporting
- • Engineering specifications
Rounding Rules:
If the digit to the right is 5 or greater, round up. If less than 5, round down.
Rounding Methods:
- • Half Up: Round up when ≥ 5
- • Half Down: Round down when ≤ 5
- • Ceiling: Always round up
- • Floor: Always round down