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Excel DEC2BIN Function

Excel DEC2BIN function
Summary 
The Excel DEC2BIN function converts a decimal number to its binary equivalent.
Purpose 
Converts a decimal number to binary
Return value 
Binary number
Syntax 
=DEC2BIN (number, [places])
Arguments 
  • number - The decimal number you want to convert to binary.
  • places - [optional] Pads the resulting binary number with zeros up to the specified number of digits. If omitted returns the least number of characters required to represent the number.
Usage notes 

The input must be a valid number within the range [ -512, 511 ].

Errors

DEC2BIN error examples
Related functions 
Excel BIN2DEC function
Excel BIN2DEC Function
The Excel BIN2DEC function converts a binary number to the decimal equivalent. The input number must contain only zeros and ones and be less than 10 characters long, otherwise the function returns the #NUM! error value.
Good links 
Microsoft DEC2BIN function documentation

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