Round numbers down to a multiple specified.

`FLOOR(number, significance)`

- number - required argument used for rounding
- significance - required argument used as multiple for rounding

`=FLOOR(3.7,2)`

The FLOOR function can be used to round numbers down to the nearest multiple of a number. For example, this rounds 3.7 down to the nearest multiple of 2, which is 2.

`=FLOOR(-2.5,-2)`

The FLOOR function can also be used to round negative numbers down to the nearest multiple of a number. This example rounds -2.5 down to the nearest multiple of -2, which is -4.

`=FLOOR(2.5,-2)`

When using the FLOOR function, the number and the multiple must be the same sign. For example this formula returns an error because 2.5 and -2 have different signs.

`=FLOOR(1.58,0.1)`

The FLOOR function can also be used to round decimal numbers down to the nearest multiple of a given decimal. This example rounds 1.58 down to the nearest multiple of 0.1, which is 1.5.

The FLOOR function is used to round a number down towards zero, to the multiple of significance. If the sign of the number is positive and the significance is negative, the function returns the #NUM! error.

- The FLOOR function takes two arguments: a number and a significance.
- Both arguments are required for the function to work.
- The FLOOR function works similarly to MROUND. It rounds a number down to the nearest multiple of the specified number.
- It is also possible for the FLOOR function to understand time as text.

The FLOOR function is a mathematical function that rounds a number down to the nearest multiple of significance.

The syntax for the FLOOR function is FLOOR(number, significance).

The FLOOR function has two arguments:

**Number:**This is the numeric value to round and is required.**Significance:**This is the multiple to round to and is also required.

To use the FLOOR function, enter the number you want to round and the multiple you want to round to. For example, FLOOR(7.8, 0.5) will round the number 7.8 down to the nearest multiple of 0.5, which is 7.5.