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Number Base Converter

Convert number bases instantly

Convert binary, octal, decimal, and hexadecimal values with a fast, simple, and accurate number base conversion tool.

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Example conversion
10
Decimal
A
Hexadecimal
Number Base
Binary, octal, decimal, hex…
A base 16

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About this number base converter

This number base converter helps you convert between binary, octal, decimal, and hexadecimal instantly. Enter a value, choose the source base, and select the target base to see the converted result right away.

It is useful for programming, computer science, digital electronics, networking, and technical work where different number systems need to be read and converted quickly.

Common examples include converting binary to decimal, decimal to hexadecimal, hexadecimal to binary, and octal to decimal.

This tool gives you a quick and practical way to work with number systems without doing manual conversions.