OCT2DEC Google Sheet Formula

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OCT2DEC Formula Syntax

=OCT2DEC("37")

Example Use Case

Converting an octal number to decimal for number base conversion

Understanding the OCT2DEC Formula

The OCT2DEC function in Excel converts an octal (base-8) number to decimal (base-10) format. It's a number base conversion tool for digital systems work—like translating octal notation to standard decimal numbers in computer science, programming, or digital electronics.

OCT2DEC("37") returns 31, converting the octal number 37 to its decimal equivalent. It takes a number argument containing up to 10 octal characters (0-7), interpreting negative numbers using two's complement notation—useful for calculations involving different number systems or legacy computing applications.

Why Use OCT2DEC?

OCT2DEC simplifies number system translation—think computer science education or legacy system integration. Its direct conversion ability provides quick translation from octal to familiar decimal numbers, making it valuable for understanding or working with octal representations in technical contexts.

Example with Sample Data

Octal Number	Formula	Result
"37"	=OCT2DEC("37")	31
"10"	=OCT2DEC("10")	8
"7777777777"	=OCT2DEC("7777777777")	-1

OCT2DEC converts to standard base-10: octal 37 becomes decimal 31, octal 10 becomes 8. The last example shows how "7777777777" is interpreted as -1 using 10-digit octal two's complement. It's a number system interpreter.