Rounding Calculator
Round a number to a chosen number of decimal places.
What is a rounding calculator?
A rounding calculator rounds a number to a chosen number of decimal places. Example: 3.746 to 2 decimal places is 3.75.
How to use it
Enter a number and how many decimal places to keep, then tap Round.
Formula
Look at the digit after the last place you are keeping: 5 or more rounds up, less than 5 rounds down. For 3.746 to 2 decimal places, the next digit is 6, so 3.74 rounds up to 3.75.
Example
To round 3.746 to 2 decimal places, look at the third decimal, which is 6. Because 6 is 5 or more, round up: 3.74 becomes 3.75.
Frequently Asked Questions
What is 3.746 rounded to 2 decimal places?
3.75.
What is 3.744 rounded to 2 decimal places?
3.74, because the next digit is 4.
What is the rounding rule?
5 or more rounds up, less than 5 rounds down.
More calculators: Math Tools and All Tools.