How do I use the Number Base Converter?

Enter a number and choose the base it is currently written in, such as binary, decimal, octal, hexadecimal, or a custom base. View the converted values instantly across the supported number systems in the results panel. Copy the output you need for programming, math homework, or debugging numeric values.

Is the Number Base Converter free?

Yes, the Number Base Converter is completely free. It runs entirely in your browser with no signup, no download, and no data sent to any server.

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converter

Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and custom bases up to base 36.

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Built-in bases

Binary, octal, decimal, and hexadecimal

Binary (base 2) Octal (base 8) Decimal (base 10) Hexadecimal (base 16)

Type in any field to convert the same number across all four common bases.

Custom base converter

Bases 2 to 36

Input value From base To base

Converted output

Step-by-step explanation

Decimal pathway

Digit	Value	Position	Contribution

How to use

How to Use the Number Base Converter

1 Enter a number and choose the base it is currently written in, such as binary, decimal, octal, hexadecimal, or a custom base.
2 View the converted values instantly across the supported number systems in the results panel.
3 Copy the output you need for programming, math homework, or debugging numeric values.

The Number Base Converter makes it easy to convert binary, octal, decimal, hexadecimal, and other values up to base 36. It is a practical number base converter for developers, students, and anyone working with different numeral systems.

Use this tool for binary to decimal conversion, hex to decimal conversion, or quick base validation when reading memory values, color codes, or low level data formats. Everything updates instantly in your browser.

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