01 Number System Converter

Binary / Decimal / Hex Converter

Convert numbers instantly between Binary, Decimal, and Hexadecimal. Perfect for programming, computer science, debugging, networking, and digital electronics.

I have

Enter a number

I want

Converted number

Conversion Result

Enter a number to convert.

Decimal Value

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All Number Formats

See the same value in all three number systems.

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Binary

Base 2

0 / 1

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Decimal

Base 10

0–9

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Hexadecimal

Base 16

0–9 A–F

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Quick Examples

Useful values for programming and computer science.

Programming

Convert values used in code, debugging, bitwise operations, and data representation.

Computer Science

Quickly work with binary, decimal, and hexadecimal number systems.

Electronics

Useful for registers, memory addresses, microcontrollers, and digital systems.