# How to use the FLOOR.MATH Function in Excel

In simple words, the FLOOR.MATH function rounds down the number to the nearest specified multiple. FLOOR.MATH rounds to the nearest integer, using a 1 as significance. Positive numbers with decimal values are rounded down to the nearest integer (e.g. 6.7 is rounded down to 6) while negative numbers with decimal values are rounded away from zero (e.g. -5.8 is rounded to -6).

The FLOOR.MATH function rounds down a number to the nearest multiple.
Syntax:

=FLOOR.MATH (number, [significance], [mode])

number : number to be rounded off
significance : [optional] multiple to use when rounding. Default is 1.
mode : [optional] For rounding negative numbers toward or away from zero. Default is 0.

Let’s understand this function using it in an example.

Here we will perform different operations with the numbers. So read it carefully.

Use the formula:

=FLOOR.MATH(A2)

Here significance taken as default value.
The number rounds off towards 0.

Now I have explained these numbers

=FLOOR.MATH(4.37) \\ returns 4
=FLOOR.MATH(84.78, 10) \\ returns 80
=FLOOR.MATH(-6.64, 1, -1) \\ returns -6
=FLOOR.MATH(-6.64) \\ returns -7
=FLOOR.MATH(371,100, -1) \\ returns 300
=FLOOR.MATH(-645, 100) \\ returns -700

As you can see, the function rounds of the number to a specified multiple.

Hope you understood how to use FLOOR.MATH function in Excel. Explore more articles on Excel mathematical function here. Please feel free to state your query or feedback for the above article.

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