What is DEC2BIN Function in Excel?
The DEC2BIN function is one of the ENGINEERING functions of Excel.
It converts a decimal number to binary.
We can find this function in ENGINEERING category of insert function Tab.
How to use DEC2BIN function in excel
- Click on an empty cell (like F5).

2. Click on the fx icon (or press shift+F3).

3. In the insert function tab you will see all functions.
4. Select ENGINEERING category.
5. Select DEC2BIN function.
6. Then select ok.

7. In the function arguments Tab you will see DEC2BIN function.
8. Number section is the decimal integer you want to convert.
9. Places section is the number of characters to use.
10. You will see the results in the formula result section.

Examples of DEC2BIN function in Excel
Example 1:
How to use DEC2BIN function in excel
You can see examples of DEC2BIN function below:

dec2bin(A2,B2) ----->>>>answer is 0000
dec2bin(A3,B3) ----->>>>answer is 0001
dec2bin(A4,B4) ----->>>>answer is 0010
dec2bin(A5,B5) ----->>>>answer is 0011
dec2bin(A6,B6) ----->>>>answer is 0100
dec2bin(A7,B7) ----->>>>answer is 0101
Purpose of DEC2BIN function
It converts a decimal number to binary.
Return value of DEC2BIN function
It returns a number.
Arguments of DEC2BIN function
This function has just 2 Argument.
The argument of DEC2BIN function is number.
Number section is the decimal integer you want to convert.
Places section is the number of characters to use.
The argument of DEC2BIN function is required and not optional.
DEC2BIN(number) = number
Version of excel supports DEC2BIN function
This function is available for all excel versions (2003-2019)