Rounds a number down to a specified number of digits.
If the Number of Digits argument is positive, rounding takes place downward to the specified number of decimal places.
If the Number of Digits argument is zero, the number is rounded downward to the nearest integer.
If the Number of Digits argument is negative, rounding down takes place to the given number of places, to the left of the decimal point.
Syntax
ROUNDDOWN (Number, NumberOfDigits)
Note: The required separator (comma or semi-colon) automatically corresponds to your computer’s location settings.
Data Types of the Arguments
Number: Integer, Number
Number of Digits: Integer
Data Type of the Result
Number
Example
Expression 1
ROUNDDOWN (46.9855, 2)
Result
46.98
Expression 2
ROUNDDOWN (46.9855, 0)
Result
46.00
Expression 3
ROUNDDOWN (46.9855, -1)
Result
40.00
Notes
See also: Round [ROUND], Round Up [ROUNDUP].
To round to a certain multiple, use Round to Multiple [MROUND] (or Round Up to Multiple [MROUNDUP] or Round Down to Multiple [MROUNDDOWN]).