This article describes the formula syntax and usage of the floor math function in microsoft excel.
Floor rounding excel.
The floor function rounds number down toward zero to the nearest multiple of significance.
Round roundup and rounddown.
Excel 2010 now follows the standard definition.
Excel for microsoft 365 excel for microsoft 365 for mac excel for the web excel 2019 excel 2016 excel 2019 for mac excel 2013.
This has followed through to the office open xml file format.
A full list along with comparison tables is provided on the excel rounding functions page.
The definition of what round up means however differs from program to program.
There are plenty of use cases where you would like to round off the given number to the nearest multiple of a certain number.
Round a number down to the nearest integer or to the nearest multiple of significance.
The excel floor function rounds a number down to a given multiple.
The floor function allows you to round down toward zero while the ceiling function rounds up away from zero.
There are two other similar functions you can use as well.
The excel ceiling function works based on the rounding rules similar to floor s except that it generally rounds up away from 0.
By default floor math rounds to the nearest integer using a significance of 1.
Rounding using ceiling and floor functions in excel rounding numbers is a frequently occurring need.
If both the number and significance arguments are positive the number is rounded up as in rows 2 and 10 in the screenshot below.
If number is an exact multiple of significance no rounding occurs.
A value is rounded down and adjusted away from zero.
Chances are good that you know how to use the primary rounding functions in excel.
If the number is already an exact multiple no rounding occurs and the original number is returned.
The multiple to use for rounding is provided as the significance argument.
6 7 is rounded down to 6 while negative numbers with decimal values.
Floor function is used for rounding down the decimal number and integer numbers but this function converts the selected numbers to the nearest possible specified numbers to any down value of it.
Until excel 2010 microsoft excel s ceiling function was incorrect for negative arguments.
For example if we have a number 10 that we need to round then as per syntax significance multiple values should down less than 2 to.
Positive numbers with decimal values are rounded down to the nearest integer e g.
The number to be.
