What is ROUND function in Excel?
The ROUND function is one of the math functions of Excel.
It Rounds a number to a specified number of digits.
We can find this function in Math & trig category of insert function Tab.
How to use ROUND function in excel
- Click on an empty cell (like F5).
2. Click on the fx icon (or press shift+F3).
3. In the insert function tab you will see all functions.
4. Select math and trig category.
5. Select ROUND function.
6. Then select ok.
7. In the function arguments Tab you will see ROUND function.
8. Number Is the number you want to round.
9. Num_digits Is the number of digits to which you want to round.
Negative rounds to the left of the decimal point; zero to the nearest integer.
10. If you want to round that value to one decimal place, you can do the following:
11. If you want to round that value to two decimal places, you can do the following:
12. If you want to round that value to three decimal places, you can do the following:
13. If you want to round that value to four decimal places, you can do the following:
14. You will see results in the formula result section
Examples of ROUND function in Excel
ROUND(3.14159, 2) This will return 3.14, rounding the number to two decimal places.
=ROUND(123456789, -5) This will return 123460000, rounding the number to the nearest 100,000.
=ROUND(4.5, 0) This will return 5, rounding the number to the nearest whole number.
=ROUND(9.99999, 4) This will return 10.0000, rounding the number to four decimal places.
=ROUND(-2.75, 0) This will return -3, rounding the negative number to the nearest whole number.
=ROUND(678.99, -2) This will return 700, rounding the number to the nearest hundred.
=ROUND(0.12345, 3) This will return 0.123, rounding the number to three decimal places.
=ROUND(25%*120, 0) This will return 30, rounding the result of a calculation to the nearest whole number.
=ROUND(SUM(A1:A10)/10, 2) This will return the average value of cells A1 through A10, rounded to two decimal places.
=ROUND(MAX(B1:B10)-MIN(B1:B10), 1) This will return the range of values in cells B1 through B10, rounded to one decimal place.
Example 1:
How to use ROUND function in excel
ROUND rounds up when the last significant digit is 5 or greater, and rounds down when the last significant digit is less than 5.
You can see examples of ROUND function below:
round(A2,B2) ----->>>>answer is 123.5
round(A3,B3) ----->>>>answer is 123.46
round(A4,B4) ----->>>>answer is 123
round(A5,B5) ----->>>>answer is 120
round(A6,B6) ----->>>>answer is 100Example 2:
How to round to 1 decimal in Excel?
We want the number 256.423 to be rounded to one decimal place.
We use the following formula:
round(256.423,1) ----->>>>answer is 256.42Example 3:
How to round to 2 decimals in Excel?
We want the number 256.423 to be rounded to two decimal place.
We use the following formula:
round(256.423,2) ----->>>>answer is 256.4“Excel’s ROUND Function: What You Need to Know”
The ROUND function in Excel is a useful tool for rounding numbers to a specified number of decimal places. It can be particularly helpful when dealing with financial data or other types of numerical analysis. To use the ROUND function, simply select the cell where you want the rounded number to appear and type in the formula.
For example, if you have a cell containing the number 3.14159265 and you want to round it to two decimal places, you would use the following formula:
=ROUND(3.14159265, 2)
This will display the rounded value of 3.14 in the selected cell.
“Understanding the Inner Workings of Excel’s ROUND Function”
The ROUND function works by taking a number and rounding it to the nearest multiple of a specified value. The function has two main arguments: the number to be rounded and the number of decimal places to which it should be rounded.
For example, if you want to round the number 3.14159265 to the nearest whole number, you would use the following formula:
=ROUND(3.14159265, 0)
This will display the rounded value of 3 in the selected cell.
“Mastering the Arguments of Excel’s ROUND Function”
In addition to the main arguments, the ROUND function also has several optional arguments that can be used to customize its behavior. These include the mode argument, which determines how the function should handle numbers that are exactly halfway between two possible rounding values.
For example, if you want to round the number 2.5 up to the nearest whole number, you could use the following formula:
=ROUND(2.5, 0, 0)
The third argument, which is set to 0 in this case, tells the function to round up in this situation. If you wanted to round 2.5 down instead, you would use the following formula:
=ROUND(2.5, 0, 1)
In this case, the third argument is set to 1, which tells the function to round down.
“Rounding Negative Numbers with Excel’s ROUND Function”
When rounding negative numbers with the ROUND function, it’s important to keep in mind that the function will round away from zero by default. This means that a number like -2.5 will be rounded to -3, not -2, if you use the formula “=ROUND(-2.5, 0)”.
If you want to round negative numbers differently, you can use the optional mode argument to specify how the rounding should be handled. For example, if you want to round -2.5 to -2 instead of -3, you could use the following formula:
=ROUND(-2.5, 0, 1)
Precision Rounding with Excel’s ROUND Function
The ROUND function in Excel allows users to round a number to a specified number of digits. It follows standard rounding rules where numbers ending in 0.5 or greater are rounded up, and numbers ending in less than 0.5 are rounded down.
For example, if we have the number 3.456 and want to round it to two decimal places, we would use the formula =ROUND(3.456,2) which would return 3.46.
Excel’s ROUND Function: Always Follows the Same Rounding Rules?
Excel’s ROUND function always follows the same rounding rules, where numbers ending in 0.5 or greater are rounded up, and numbers ending in less than 0.5 are rounded down. This is known as “conventional rounding.” However, there may be situations where different rounding rules are required.
For example, some industries may require rounding up to the nearest whole number instead of using conventional rounding. In this case, an alternative rounding function such as CEILING or MROUND can be used.
Exploring Alternatives to Excel’s ROUND Function
While Excel’s ROUND function is commonly used for rounding, there are alternative functions available that offer different types of rounding.
One such function is FLOOR, which always rounds down to the nearest specified digit. For example, if we want to round the number 3.456 down to the nearest integer, we would use the formula =FLOOR(3.456,1) which would return 3.
Another alternative function is TRUNCATE, which simply cuts off any decimal places beyond the specified digit. For example, if we want to round the number 3.456 to one decimal place, we would use the formula =TRUNCATE(3.456,1) which would return 3.4.
Rounding Up in Excel: Tips and Tricks
Excel’s ROUND function rounds up numbers ending in 0.5 or greater, but there may be situations where rounding up is required even if the number ends in less than 0.5. One way to achieve this is by using the CEILING function.
For example, if we have the number 3.2 and want to round it up to the nearest whole number, we would use the formula =CEILING(3.2,1) which would return 4.
Another tip for rounding up in Excel is to use the IF function in conjunction with ROUND. This allows users to specify a certain condition, such as rounding up if the number is greater than or equal to a certain value.
For example, if we have the number 3.456 and want to round it up to two decimal places only if it is greater than or equal to 3.45, we would use the formula =IF(3.456>=3.45,ROUND(3.456,2),3.45) which would return 3.46.
How to Round Numbers to the Nearest Multiple of 5 or 10 in Excel
In Excel, rounding numbers to the nearest multiple of 5 or 10 can be achieved using the MROUND function. This function rounds a number to the nearest specified multiple.
For example, if we have the number 23 and want to round it to the nearest multiple of 5, we would use the formula =MROUND(23,5) which would return 25. Similarly, if we want to round the number 37 to the nearest multiple of 10, we would use the formula =MROUND(37,10) which would return 40.
Combining Excel Functions for Powerful Rounding Capabilities
Multiple Excel functions can be combined to create even more powerful rounding capabilities. For example, we can combine the ROUNDUP function with the IF function to round up only when a certain condition is met.
For example, if we have the number 3.456 and want to round it up to two decimal places only if it is greater than or equal to 3.45, we would use the formula =IF(3.456>=3.45,ROUNDUP(3.456,2),3.45) which would return 3.46.
We can also use the ROUND and IF functions together to perform conditional rounding. For example, if we want to round up to the nearest integer only if a value is greater than 5 and round down otherwise, we would use the formula =IF(A1>5,ROUNDUP(A1,0),ROUNDDOWN(A1,0)) where A1 is the cell containing the original value.
Conditional Formatting with Excel’s ROUND Function
Excel’s ROUND function can also be used for conditional formatting, allowing users to format cells based on specific rounding rules. For example, we can highlight cells that end in 0.5 or greater using the following steps:
- Select the cells to be formatted.
- Click on “Conditional Formatting” in the “Home” tab.
- Select “New Rule.”
- Choose “Format only cells that contain.”
- In the first dropdown menu, choose “Cell Value.”
- In the second dropdown menu, choose “greater than or equal to.”
- In the third field, enter “=ROUND(A1,0)” where A1 is the cell containing the value to be rounded.
Avoiding Errors when Using Excel’s ROUND Function
One common error when using Excel’s ROUND function is to incorrectly specify the number of decimal places to round to. It is important to double-check this value to ensure that the rounding is accurate.
Another error to watch out for is when rounding very large numbers. Excel has a limit on the number of digits it can handle, and rounding may result in incorrect values due to precision errors. It is important to test the results of rounding and verify that they are accurate.
Excel’s ROUND Function: Rounding to the Nearest Whole Number
Excel’s ROUND function can be used to round numbers to the nearest whole number. This is achieved by specifying 0 as the number of decimal places in the formula.
For example, if we have the number 3.456 and want to round it to the nearest whole number, we would use the formula =ROUND(3.456,0) which would return 3.
Using Excel’s ROUND Function with Non-Numeric Values
Excel’s ROUND function can also be used with non-numeric values, but it will not actually perform any rounding. Instead, it will simply display the original value.
For example, if we have the text value “Hello” in cell A1 and want to “round” it to the nearest whole number using the formula =ROUND(A1,0), the result will still be “Hello.”
Rounding to the Nearest Thousand in Excel: A Step-by-Step Guide
To round a number to the nearest thousand in Excel, we can use a combination of the ROUND and MROUND functions. Follow these steps:
- Enter the number you want to round in a cell.
- In another cell, enter the formula =MROUND(A1,1000) where A1 is the cell containing the original number.
- Finally, use the ROUND function on the result of step 2 to round to the nearest thousandth. For example, if the result of step 2 was 23,450, we would use the formula =ROUND(B1,-3) where B1 is the cell containing the result from step 2.
The final result would be 23,000.
Applying Excel’s ROUND Function to Arrays and Ranges of Numbers
Excel’s ROUND function can be applied to arrays and ranges of numbers by using the CTRL + SHIFT + ENTER keyboard shortcut instead of just ENTER.
For example, if we have a range of numbers in cells A1:A5 and want to round them to the nearest whole number, we would use the formula =ROUND(A1:A5,0). However, instead of pressing ENTER, we would press CTRL + SHIFT + ENTER. The result will be an array of rounded numbers.
The Pitfalls of Specifying Too Many Decimals in Excel’s ROUND Function
Specifying too many decimals in Excel’s ROUND function can lead to inaccuracies due to the way computers handle floating-point arithmetic. This is especially true when performing calculations on very large or very small numbers.
For example, if we have the number 3.456 and want to round it to seven decimal places using the formula =ROUND(3.456,7), the result will be 3.4560000. However, this value may not be completely accurate due to the limitations of computer arithmetic.
Rounding to the Nearest Hundredth in Excel: Best Practices
When rounding to the nearest hundredth in Excel, it is best practice to use the ROUND function while specifying two decimal places. This ensures that the rounding is accurate and consistent.
For example, if we have the number 3.456 and want to round it to the nearest hundredth, we would use the formula =ROUND(3.456,2) which would return 3.46.
Removing Decimal Places with Excel’s ROUND Function
Excel’s ROUND function can also be used to remove decimal places by simply specifying 0 as the number of decimal places to round to.
For example, if we have the number 3.456 and want to remove the decimal places, we would use the formula =ROUND(3.456,0) which would return 3.
ROUND vs. MROUND: Which Function is Right for You?
The choice between the ROUND and MROUND functions depends on the specific rounding needs of the user.
ROUND is best suited for conventional rounding to a specified number of decimal places. For example, if we have the number 3.456 and want to round it to two decimal places, we would use the formula =ROUND(3.456,2) which would return 3.46.
MROUND, on the other hand, is best suited for rounding to a specific multiple. For example, if we have the number 23 and want to round it to the nearest multiple of 5, we would use the formula =MROUND(23,5) which would return 25.
