How to Use the Round Function in Excel 2010
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Round formula in Excel
Excel offers an in-built function to round the value. These values are numeric values. You can round the numbers to one decimal place, two decimal places, and more you want. A function named ROUND() is a built-in function of Excel that enables the users to round the numbers in Excel.
Sometimes, the users require a rounded value to perform the specific operations. In such case, they can use this ROUND() function. This chapter will cover the introduction, syntax, and examples in detail.
ROUND() function
Excel offers a ROUND() function to round the numbers to a specific number of digits you want. For example, A cell A2 contains a number 53.1243 and you want to round the value to three decimal places. This function is used like -
It will extract the three digits from the last and keep the remaining after the decimal point. The returned value will be 53.1.
Additionally, Excel also offers some more functions (ROUNDUP, ROUNDDOWN) to round the numbers in different ways. They used when they needed.
Syntax
The ROUND() function will take two parameters, and both are mandatory ones.
- The number parameter will take the targeted value which you want to round.
- The second parameter is num-digits that will take an integer number to how many numbers of digits you want to round.
Note: Instead of simple rounding of the value, it can also round the number from left and right.
Return Value
It returns a rounded number. Or say that - this function will return the remaining value after rounding the number.
Example
We will try to explain this function and its usage by using different examples with detailed Excel steps.
Example 1
We will show you the steps to round the number stored in an Excel worksheet. It is an example of rounding the number from the right of the decimal point. Here they are -
Step 1: We have some values with a decimal point in an Excel sheet.
Step 2: Select an adjacent cell to keep the returned resultant value and write the following formula either here or in the formula bar.
=ROUND(A2, 2)
Here, we are rounding the number to two decimal places.
Step 3: Press the Enter key and see the number after rounding. See the screenshot what value it has returned.
Step 4: In the same way, we have rounded more values present here and now see the result for them.
Similarly, you can round more numbers.
Rounding the numbers to left and right decimal place
Instead of simply rounding the number, you can also round the number from left and right to the decimal place using the ROUND() function. It is an additional feature of this function.
Generally, we round the value from the right by providing a positive number in num-digit parameter. But you can do more. We have the following conditions for different types of rounding.
Round to Right
If the num-digit parameter holds a positive number (>0), the number will be rounded to the specified decimal places to the right of decimal point.
For example, we have numeric data with a decimal point. Following are few formulas to round the number from the right.
| Formula | Description | Result |
|---|---|---|
| =ROUND(12.4892, 3) | Round to three decimal places | 12.489 |
| =ROUND(48.7341, 1) | Round to one decimal places | 48.7 |
| =ROUND(13.482,2) | Round to two decimal places | 13.48 |
| =ROUND(19.437, 1) | Round to one decimal place | 19.4 |
Round to Left
If the num-digit parameter holds a negative number (<0), the number will be rounded to the specified decimal places to the left of decimal point. Basically, nearest to the 10, 100, 1000, and more. For example, 27.3 will be rounded nearest 10 will be 30.
Suppose that we have data in A2 cell. Here we have few formulas for different values to round the number from the left of the decimal point.
| Formula | Description | Result |
|---|---|---|
| =ROUND(12.4892, 0) | Round to the nearest whole number or nearest to 1 | 12 |
| =ROUND(48.7341, -1) | Round to nearest 10 | 50 |
| =ROUND(313.482, -2) | Round to nearest 100 | 300 |
| =ROUND(619.45, -3) | Round to nearest 1000 | 1000 |
| =ROUND(619.45, -2) | Round to nearest 100 | 600 |
For rounding the number from right, you have seen example 1 with detailed steps in the Excel worksheet and verify how this function works. Now, let's see for round the number from left.
Example 2
We will show you the steps to round the number stored in an Excel worksheet. It is an example of rounding the number from the left of the decimal point. For this, we have to provide a negative number in num-digits parameter. Here they are -
Step 1: We have some values with a decimal point in an Excel sheet.
Step 2: Select an adjacent cell to keep the returned resultant value and write the following formula to round the number nearest to the whole number or 1.
=ROUND(A2, 0)
Here, we are rounding the number nearest to the whole number.
Step 3: Press the Enter key and see the number after rounding. See that it has returned 12 after rounding.
Step 4: In the same way, we will round more values given here to clear the concept for negative numbers. Where -1 for nearest 10, -2 for nearest 100, -3 for nearest 1000, and so on.
Step 5: Now, see the result for all values present here.
Similarly, you can round more numbers accordingly you needed.
Note: The ROUND() function is available under the Math & Trig section in the Formula tab.
Other rounding functions
Besides this simple ROUND() function, Excel also offers several other round functions for different purposes. They round the number in different ways. These functions are -
ROUND() - For simple round
MROUND() - For rounding the number to its nearest multiple.
ROUNDDOWN() - Round down the number to the nearest specified place.
FLOOR() - Round down the number to its nearest multiple.
ROUNDUP() - Round up the number to the nearest specified place.
CEILING() - Round up the number to its nearest multiple.
INT() - Round down the number and return an integer number only.
TRUNC() - Truncate the decimal place.
All these methods, we have discussed in separate chapters. You can learn them from there.
Things to remember
Few points to remember about the ROUND() function -
- The ROUND() function is a part of Math & Trig function.
- If you are not comfortable using the formula directly, you can find it inside the Formula tab under the Math & Trig dropdown list.
- The ROUND() function returns a rounded number to a specific number of digits.
- It rounds the numbers 1-4 down and 5-9 up.
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How to Use the Round Function in Excel 2010
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