⚡Online Converter

Base Converter

Convert numbers between different bases (binary, decimal, hexadecimal, and more). Supports bases 2 through 62.

A base converter translates numbers between different numeral systems (bases). The most common bases are binary (2), octal (8), decimal (10), and hexadecimal (16).

This converter supports bases 2 through 62, including Binary (2), Octal (8), Decimal (10), Hexadecimal (16), Base 32, Base 36, Base 58, and Base 62.

Simply select your source base, enter the number, and select your target base. The conversion happens automatically in real-time.

Different bases serve different purposes: Binary is for computers, Hex for compact representation, Decimal for humans, and Base58 for cryptocurrency addresses.

View all tools

Common Bases:

Binary (Base 2): Uses digits 0 and 1. Used by computers.
Octal (Base 8): Uses digits 0-7. Sometimes used in computing.
Decimal (Base 10): Uses digits 0-9. Standard for human calculations.
Hexadecimal (Base 16): Uses digits 0-9 and A-F. Common in programming.

Example: The number 42 in decimal equals 101010 in binary, 2A in hexadecimal, and 52 in octal.

Here are some common number conversions across different bases:

Decimal	Binary	Octal	Hex
1	1	1	1
10	1010	12	A
16	10000	20	10
42	101010	52	2A
255	11111111	377	FF

Base 32: Uses A-Z and 2-7. Used for encoding binary data in a compact, case-insensitive format.
Base 36: Uses A-Z and 0-9. Provides the most compact case-insensitive alphanumeric representation.
Base 58: Excludes similar-looking characters (0, O, I, l). Used in Bitcoin addresses.
Base 62: Uses A-Z, a-z, and 0-9. Maximum alphanumeric representation without special characters.

Base Converter

Frequently Asked Questions

Related Developer Tools

Decimal Converter

Hex Converter

Binary Translator

Understanding Number Bases

Common Number Conversions

Extended Bases (32, 36, 58, 62)