Base Converter

Convert numbers between Binary, Octal, Decimal, and Hexadecimal instantly

Number Formats
Binary (Base 2):
Octal (Base 8):
Decimal (Base 10):
Hexadecimal (Base 16):

Number Bases in Computing

In computer science, different number bases are used for different purposes. Decimal (Base 10) is what humans naturally use. Binary (Base 2) is the fundamental language of computers, consisting only of 0s and 1s. Hexadecimal (Base 16) is frequently used to represent binary data in a more compact, human-readable form—commonly seen in color codes, memory addresses, and cryptography.

This Base Converter tool allows you to type a value into any field and instantly see its mathematical equivalent in all other standard computing bases. It enforces strict validation to ensure you don't enter invalid characters (like typing an '8' in an octal field).

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Deep Dive Guide

Converting Between Number Bases

Read Guide →

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