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Excel ROUND Function

We use the Excel ROUND function to round digits of a specific number to the right or left of the decimal point. The simple steps below will walk through the process.

Figure 1- Final Result with Excel ROUND function

General Formula

=ROUND (number, num_digits)

  • Number – the number we want to round.
  • Num_digits – the number of digits we want to round the NUMBER to.

Formula

=ROUND(B4,C4)

Setting up the Data

We will apply the ROUND function to a specific set of numbers, rounding it off to an assigned digit.

  • We will place the list of numbers in Cell B4 to Cell B10
  • Column C will contain the list of digits we wish to round the numbers to
  • Column D will hold the result as shown in figure 2.

Figure 2 – Setting up the Data

Applying the ROUND Function

  • We will click on Cell D4
  • We will insert the formula below into Cell D4
    =ROUND(B4,C4)

Figure 3- The Excel ROUND function

  • We will press the enter key

Figure 4- Applying the ROUND function

  • Using the fill handle, we will copy the formula into the remaining cells

Figure 5- How to use the ROUND function

Explanation

The ROUND function performs the standard rounding up process. This function rounds up numbers down when the digit is between 1 and 4 and rounds up numbers when it is between 5 and 9. The ROUND function returns with the exact number of digits you specified either to the right or left side of the decimal point.

  • If num_digits > 0, the number will be approximated to the stated number of decimal places to the right of the decimal point.
  • If num_digits < 0, the number is rounded to the left of the decimal point (i.e., to the nearest 10, 100, 1000, etc.).
  • If num_digits = 0, the number is approximated to the closest figure.

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