What is FLOOR Function in Excel?
The FLOOR 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 function in excel
- Click on an empty cell (like F5 )

2. Click on the 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 function
6. Then select ok

7. In the function arguments Tab you will see FLOOR function
8. Number is the value you want to round.
9. Significance is the multiple to which you want to round
10. You will see results in the formula result section

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

floor(A2,B2) ----->>>>answer is 9
floor(A3,B3) ----->>>>answer is 8
floor(A4,B4) ----->>>>answer is 15
floor(A5,B5) ----->>>>answer is -15
floor(A6,B6) ----->>>>answer is -14
What is the purpose of FLOOR function?
It Rounds a number down, to the nearest integer or to the nearest multiple of significance.
What is the Return value of FLOOR function?
It returns a number.
How many arguments does FLOOR function have?
This function has just 2 Argument.
The argument of FLOOR function is number.
Number is the value you want to round.
Significance is the multiple to which you want to round.
The argument of FLOOR function is required and not optional.
FLOOR(number) = number
Which version of excel supports FLOOR function?
This function is available for all excel versions (2003-2019)
Errors in FLOOR function
FLOOR related functions :
- MROUND function
- CEILING function
- ROUND function
- ROUNDDOWN function
- ROUNDUP function
- INT function
- TRUNC function