How to use Excel INT function

Introduction

INT function in excel is a Math/Trig function. It is a worksheet function. It rounds down the given decimal number to the nearest integer part. For example, number 2.8 is rounded down to the nearest integer by using the formula =INT(2.8) which gives 2 as the result.

Syntax

=INT(Number)

Arguments

Number- The number or cell containing the number that is to be rounded off.

Keynotes

If argument is non numeric, #VALUE! error is displayed.
Numbers with negative sign are rounded away from zero. For example, ‘-2.8’ is rounded to ‘-3’.
If the number to be rounded down is an integer then no rounding occurs.
If exact integer part of a decimal number, whether positive or negative is needed than we use TRUNC function

Examples

In the following example, a table of numbers is given, it is rounded down to the nearest INT integer using INT function.

For the negative integers , INT function rounds away from zero as shown in the following example:

INT_function example file Download