How to Check If a Number is Integer in Excel

This post will guide you how to check if a number is integer in Cells in Excel. How do I test if Cell value is integer with a formula in Excel.

Check If Value is Integer

Assuming that you have a list of data in range B1:B5, in which contain numeric values. And you want to test each cell value if it is an integer, if true, returns TRUE, otherwise, returns FALSE. How can I do it. You can use a formula based on the INT function to achieve the result. Like this:


Type this formula into a blank cell, such as: Cell C1, and press Enter key on your keyboard. Then copy this formula from cell C1 to range C2:C5 to apply this formula to check values.

check if number is integer1


Let’s see how this formula works:

The INT function try to extract the integer portion from a given cell value, if the returned value is equal to the default cell value, it indicated that numeric value is an integer.

Related Functions

  • Excel INT function
    The Excel INT function returns the integer portion of a given number. And it will rounds a given number down to the nearest integer.The syntax of the INT function is as below:= INT (number)…
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