Number Base Converter (Hex, Dec, Bin, Oct)

Convert numbers between Decimal, Hexadecimal, Binary, and Octal formats instantly in real-time.

Decimal (Base 10)

Hexadecimal (Base 16)

Binary (Base 2)

Octal (Base 8)

Number Systems & Radix Base Conversion Guide

Convert numerical values across standard computing bases used in memory addressing, bitwise operations, and low-level programming.

Uses digits 0-9 and characters A-F. Used for memory pointer addresses, RGB color codes, and byte representations.

Uses bits 0 and 1. Standard fundamental data representation for digital electronics and computer hardware logic.

Octal uses digits 0-7 (used in Unix file permission masks e.g. 755). Decimal is standard base 10 human representation.