Round numbers to nearest integer, decimal places, significant figures, or round up/down with our free rounding calculator
Round a number to the nearest whole number
Round a number to a specified number of decimal places
Round a number to a specified number of significant figures
Round a number up to the next integer
Round a number down to the previous integer
Rounding is the process of approximating a number to a specified precision. It's used to simplify numbers, make calculations easier, and present results in a more readable format. Common rounding methods include rounding to the nearest integer, to a specific number of decimal places, or to significant figures.
The standard rounding rule: if the digit to be removed is 5 or greater, round up. If it's less than 5, round down. For rounding up (ceiling), always round to the next higher integer. For rounding down (floor), always round to the previous lower integer.
To round a number to n decimal places:
Here are several everyday situations that show how easy it is to use our rounding calculator.
These examples show how our rounding calculator can handle:
You can adapt any real-life situation involving rounding to one of these patterns and let the calculator do the work for you.