# Microsoft Excel – CEILING and FLOOR functions

As part of Excel functions discussions, we are going to discuss about two functions through this Article; which are `CEILING` and `FLOOR` functions.

### The `CEILING` function

This function returns the rounded up number which is nearest to the specified multiple of significance. It is important to understand that, the return number is based on the specified significance; that means, the return number is always nearest to the multiple of significance; it is NOT nearest to the given significance.

For example, if the given number is 12.32 and the significance value is 2; the next available HIGHER value (round up) which is multiple of the significance 2 is 14; then the return value would be 14.

The Syntax of the function is like below:

`=CEILING(number, significance)`

`CEILING` function takes 2 arguments and both are mandatory. `number` is the number to which you want to apply the CEILING; and the significance is the multiple to which you want to round.

### The `FLOOR` function

Unlike `CEILING` function, this function returns the rounded down number which is nearest to the multiple of the significance. For example, take same value mentioned in above example; 12.32 and the significance value is 2, and this function returns the round down value which is 12.

`=FLOOR(number, significance)`

Like `CEILING` function, it also takes 2 mandatory arguments and returns the round down number which is the multiple of the given significance.

### Commonalities in both these functions

Both these function can take negative and positive numbers.
These functions returns the #VALUE! error, if you pass the non numeric value (for example, text value) through these arguments.
These functions returns the #NUM! error, if the significance value is negative value and the number value is positive value.

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Microsoft Excel – CEILING and FLOOR functions

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