ROUNDDOWN function

Rounds a number down, toward zero.

Syntax

ROUNDDOWN(number,num_digits)

Number     is any real number that you want rounded down.

Num_digits     is the number of digits to which you want to round number.

Remarks

  • ROUNDDOWN behaves like ROUND, except that it always rounds a number down.
  • If num_digits is greater than 0 (zero), then number is rounded down to the specified number of decimal places.
  • If num_digits is 0, then number is rounded down to the nearest integer.
  • If num_digits is less than 0, then number is rounded down to the left of the decimal point.

Example

The example may be easier to understand if you copy it to a blank worksheet.

ShowHow to copy an example

  1. Create a blank workbook or worksheet.
  2. Select the example in the Help topic.

 Note   Do not select the row or column headers.

Selecting an example from Help

Selecting an example from Help
  1. Press CTRL+C.
  2. In the worksheet, select cell A1, and press CTRL+V.
  3. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
 
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Formula Description (Result)
=ROUNDDOWN(3.2, 0) Rounds 3.2 down to zero decimal places (3)
=ROUNDDOWN(76.9,0) Rounds 76.9 down to zero decimal places (76)
=ROUNDDOWN(3.14159, 3) Rounds 3.14159 down to three decimal places (3.141)
=ROUNDDOWN(-3.14159, 1) Rounds -3.14159 down to one decimal place (-3.1)
=ROUNDDOWN(31415.92654, -2) Rounds 31415.92654 down to 2 decimal places to the left of the decimal (31400)
 
 
Applies to:
Excel 2007