Round any number to a specified number of decimal places using standard rounding rules. Quickly round numbers for financial calculations, scientific data, and everyday math.
Enter your values below
How this calculator works
The rounding calculator applies the standard rounding rule: if the digit immediately after the target decimal place is 5 or greater, the last retained digit is incremented by 1. Otherwise, it remains unchanged. This is known as 'round half up'.
Common questions about this calculator
