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Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

number converterbinary converterhex converterbase converter
Input
ConversionsDecimal: 255
BinaryBase 2
0b1111 1111
OctalBase 8
0o377
DecimalBase 10
255
HexadecimalBase 16
0xFF
Bits required8
Power of 2?No
Even/OddOdd
Quick Reference
000000
110001
220010
330011
440100
550101
660110
770111
881000
991001
10A1010
11B1011
12C1100
13D1101
14E1110
15F1111

What is Number Base Converter?

Number Base Converter transforms numbers between different numeral systems including binary, octal, decimal, and hexadecimal. Essential for programming, debugging, and understanding computer number systems.

Common Use Cases

Programming

Convert between hex, binary, and decimal for coding.

Debugging

Analyze memory addresses and binary data.

Color Codes

Convert hex color values to RGB decimals.

Learning

Understand number systems and conversions.

How to Use This Tool

  1. Enter a number in any base
  2. Select the input base (binary, octal, decimal, hex)
  3. View conversions to all other bases
  4. Copy the value you need

Number Base Converter is a free online tool that requires no signup or installation. It works directly in your browser, keeping your data private and secure.