Rounding Calculator
Round to any decimal place, with the rule explained.
What is a rounding calculator?
A rounding calculator rounds a number to the decimal places you choose. It shows the rounded number and explains the rule it used.
How to use the rounding calculator
Enter the number and how many decimal places you want, then click Round. The calculator shows the rounded number.
Rounding rule
Look at the next digit: 5 or more rounds up, less than 5 rounds down. For example, 3.746 to 2 places rounds up because the third decimal is 6.
Example
3.746 rounded to 2 decimal places = 3.75, because the third decimal is 6, which rounds the second decimal up from 4 to 5.
Frequently Asked Questions
What is 3.746 rounded to 2 decimal places?
3.746 rounded to 2 decimal places is 3.75. Try it on the calculator above.
When do you round up?
You round up when the next digit is 5 or more. If it is less than 5, you round down.
What is 3.746 rounded to 1 decimal place?
3.746 rounded to 1 decimal place is 3.7, because the second decimal is 4, which is less than 5.
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