What is FLOOR.MATH Function in Excel?
The FLOOR.MATH function is one of the math functions of Excel.
It Rounds a number down, to the nearest integer or to the nearest multiple of significance.
We can find this function in Math & trig category of insert function Tab.
How to use FLOOR.MATH function in excel
- Click on an empty cell (like F5 )

2. Click on fx icon (or press shift+F3)

3. In the insert function tab you will see all functions

4. Select math and trig category
5. Select FLOOR.MATH function
6. Then select ok

7. In the function arguments Tab you will see FLOOR.MATH function
8. Number is the value you want to round
9. Significance is the multiple to which you want to round
10. Mode is when given and nonzero this function will round towards zero
11. You will see results in the formula result section

Examples of FLOOR.MATH function in Excel
Example 1:
How to use FLOOR.MATH function in excel
You can see examples of FLOOR.MATH function below:

floor.math(A2,B2) ----->>>>answer is 3
floor.math(A3,B3,C3) ----->>>>answer is -33
floor.math(A4,B4) ----->>>>answer is -6
floor.math(A5,B5,C5) ----->>>>answer is 6
floor.math(A6,B6,C6) ----->>>>answer is -4
floor.math(A7,B7,C7) ----->>>>answer is 0
What is the purpose of FLOOR.MATH function?
It Rounds a number down, to the nearest integer or to the nearest multiple of significance.
What is the Return value of FLOOR.MATH function?
It returns a number.
How many arguments does FLOOR.MATH function have?
This function has just 3 Argument.
The argument of FLOOR.MATH function is number.
Number is the value you want to round.
Significance is the multiple to which you want to round.
Mode is when given and nonzero this function will round towards zero.
The argument of FLOOR.MATH function is required and not optional.
FLOOR.MATH(number) = number
Which version of excel supports FLOOR.MATH function?
This function is available for all excel versions (2003-2019)
Errors in FLOOR.MATH function
FLOOR.MATH related functions :
- FLOOR function
- ROUND function
- ROUNDDOWN function
- ROUNDUP function
- CEILING function
- CEILING.MATH function
- MROUND function
- EVEN function
- ODD function
- INT function
- TRUNC function