Excel MOD Function and IF: Filtering Cells Based on Multiples

Excel MOD Function and IF: Filtering Cells Based on Multiples


When it comes to numerical analysis and data manipulation, Microsoft Excel stands as an unparalleled tool. Excel is like a treasure trove for data analysts, offering a plethora of functions to make data manipulation a breeze. Two such functions are the MOD and IF functions. Individually, they are powerful, but when combined, they offer unparalleled versatility. In this blog post, we’ll discuss how to use these two functions in tandem to filter cells based on multiples of a specific number.

This was what happened at work today! I had to filter the multiple numbers of 35 out of about 2,000 columns! it was insane to select one by one. so here is how I did!


What is the MOD Function?

Before we get to the how-tos, it’s important to understand what the MOD function is. In mathematical terms, the MOD function returns the remainder after division of one number by another. In Excel, it serves a similar purpose: MOD(number, divisor) calculates the remainder when number is divided by divisor.

Why Use MOD for Identifying Multiples?

Let’s pose a rhetorical question: what if you’re handling an extensive list of sales transactions and you want to identify every 5th transaction for additional scrutiny? Manual counting is not only tedious but error-prone. This is where the MOD function can be your savior. If a number is a multiple of another, the MOD function will return zero. Hence, you can easily pick out cells that are multiples of a given number.

Simple Steps to Utilize MOD

1. Identify the Range: Let’s say we’re working with column A, which contains 1000 entries. – Click to find out easy ways to create serial numbers 

2. Apply the Formula: In a new column, say B, enter the formula =MOD(A1, 5) next to the first entry in column A.

MOD function

3. Copy Down: Drag the formula down to apply it to all 1000 cells in column B.

drag down 1

4. Filter the Zeros: Use Excel’s filter feature to show only the rows where column B has a zero. These correspond to the entries in column A that are multiples of 5. (Ctrl + Shift + L)

filter zero

Excel MOD and IF Functions

A Dynamic Duo for Filtering Cells Based on Multiples

  • MOD Function: The MOD function returns the remainder of a division operation. Its syntax is MOD(number, divisor).
  • IF Function: The IF function performs conditional logic. The syntax is IF(condition, value_if_true, value_if_false).

Why Combine MOD and IF?

So why are we talking about these two functions in the same breath? Well, imagine you’re analyzing a dataset and you want to flag cells that are multiples of 3 for some further investigation. You could use the MOD function to find the multiples, and then use the IF function to flag these multiples with a specific label or color.

Step-by-Step Guide: Combining MOD and IF

1. Identify Your Range: Let’s assume you are working with numbers in column A.
2. Apply the Combined Formula: In an adjacent column, let’s say column B, apply the following formula: =IF(MOD(A1, 5) = 0, “Yes”, “”).
if and mod
3. Drag Down: Drag this formula down to cover all the cells in column A.
drag down if and mod
4. Analyze the Output: Cells in column B will now be labeled “Yes” wherever the corresponding cell in column A is a multiple of 5.
5.Filter the “Yes”

Let’s get creative for a moment, shall we? Picture yourself as a school teacher who wants to assign every 5th student a special task. Instead of counting manually, you can use the MOD and IF functions to automatically flag every 5th student in your roster. The formula would look like =IF(MOD(ROW(), 5) = 0, “Special Task”, “”). This way, you efficiently delegate tasks without human error.


The combination of MOD and IF functions in Excel allows for robust data filtering capabilities. Whether it’s flagging customer transactions or managing classroom tasks, this dynamic duo simplifies the process and minimizes errors. In a nutshell, the MOD and IF functions can be the ultimate allies in your data analysis endeavors.

Leave a Comment