 # How to use the ROUND function in Excel In this article, we will learn How to use the ROUND function in Excel.

What is the ROUND function used for ?

While playing with big numbers, all digits of a number doesn’t matter that much and we can ignore them to make it more readable and relatable. For example, the 1225411 number is more readable when we write it as 1225000. This is called rounding.

ROUND function in Excel

ROUND function used to round down the numbers 0-4 and round up the numbers 5-9 It takes 2 arguments

Syntax:

 =ROUND(number, num_digit)

number : The Number to round off

num_digit : Up to digit, we need to round off.

Example :

All of these might be confusing to understand. Let's understand how to use the function using an example. HereIn one Column there are Numbers and in other, there are num_digits up to which the number to be rounded off. Use the formula in the C2 cell.

 =ROUND(A2,B2)

Explanation:

Here in C2 cell, the number will be rounded down to 1 decimal place as 3 comes in 1-4. As you can see 2.3 is rounded down to 1 decimal place.

Copy the formula using Ctrl + D taking the first cell till the last cell needed formula. As you can see the result. Cell C2, C4 and C5 are rounded down and Cell C3, C6 and C7 are rounded up.

The 2nd argument(num_digit) decides upto which decimal or 10s place the number will be rounded off.

1.  First 3 cells are rounded off upto 1, 2 and 3 decimal places respectively.
2. In C5, The number is rounded off to the nearest whole number.
3. The last 2 cells are rounded off to the nearest 10 and 100 respectively.
 To get the number rounded off upto the nearest whole number, 0 is used default as num_digit

ROUND to nearest hundred or thousand

Here in range A2:A8, I have some numbers. I want to round them to 100. To do so I will write the formula below.

 =ROUND(A2,-2)

Copy this in below cells. How it works:

Actually when we pass a negative number to ROUND function, it round the numbers before decimal point.

So to round to nearest 1000 we just need to replace -2 to -3 in formula.

Generic Formula to Round number to nearest 100

 =ROUND(number,-3)

In same example, if we implement this formula we will get our numbers rounded to nearest 1000. This was quick tutorial of how how to round number to nearest 100 or 1000

Here are all the observational notes using the ROUND function in Excel
Notes :

1. The formula only works with numbers.
2. The formula returns the nearest last multiple given input any decimal number.
3. Negative significance is only allowed when number itself is negative else the formula returns #NUM! error.
4. Blank cell or 0 as significance value returns #DIV/0! error.
5. The function returns #VALUE! Error if the date or time value is invalid.
6. Excel stores time value as numbers. So check the format of the cell while operating this formula.
7. Careful while Input time values 04:10:22 means 4 hours, 10 minutes and 22 seconds.

Hope this article about How to use the Round function in Excel is explanatory. Find more articles on rounding off values and related Excel formulas here. If you liked our blogs, share it with your friends on Facebook. And also you can follow us on Twitter and Facebook. We would love to hear from you, do let us know how we can improve, complement or innovate our work and make it better for you. Write to us at info@exceltip.com.

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