The ROUND function in Excel is used to round a number to a specified number of decimal places. It can be helpful when you want to display numbers in a more concise or user-friendly format. The ROUND function has the following syntax:
=ROUND(number, num_digits)
number: This is the number you want to round.
num_digits: This is the number of decimal places to which you want to round the number. It can be a positive or negative integer.
Here's how you can use the ROUND function in Excel:
Basic Rounding: To round a number to a specific number of decimal places, simply enter the number and the number of decimal places you want. For example:
=ROUND(3.14159, 2) // Rounds to 2 decimal places: 3.14
Negative Decimal Places: You can also use negative values for num_digits to round to the nearest tens, hundreds, etc. For example:
=ROUND(12345, -2) // Rounds to the nearest hundred: 12300
Rounding to Whole Numbers: If you want to round a number to the nearest whole number, use 0 as the num_digits value:
=ROUND(7.89, 0) // Rounds to the nearest whole number: 8
Rounding Negative Numbers: ROUND can also round negative numbers:
=ROUND(-4.567, 2) // Rounds to 2 decimal places: -4.57
Rounding in Formulas: You can use the ROUND function within other formulas. For example:
=SUM(ROUND(A1:A5, 2)) // Sums the values in cells A1 to A5, rounded to 2 decimal places.
Remember that the ROUND function in Excel doesn't change the original value; it only returns a rounded value. If you need the rounded value to replace the original, you can copy and paste the values or use the Paste Special feature to overwrite the original values with the rounded ones.
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