UseDailyTools2025 Edition

Number Base Converter

Convert numbers between binary, decimal, hexadecimal, octal, and other bases

number
binary
hex
decimal
octal
base
Number Input
Enter a number in any base to convert it to other bases

Base 10 (0-9) • Example: 123

About Decimal

Base 10 (0-9)

Conversion Results
View the number in all other bases

Enter a number to start converting

Number Base Reference

Common Bases:

  • • Binary (2): Used in computing (0, 1)
  • • Octal (8): Historical computing (0-7)
  • • Decimal (10): Standard human counting
  • • Hexadecimal (16): Programming (0-9, A-F)

Programming Prefixes:

  • • 0b or 0B → Binary
  • • 0o or 0O → Octal
  • • 0x or 0X → Hexadecimal
  • • No prefix → Decimal

Use Cases:

  • • Programming and debugging
  • • Digital system design
  • • Color codes and web development
  • • Computer science education
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Features
  • • Free to use
  • • No registration required
  • • Works offline
  • • Mobile friendly
  • • Secure & private
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Free online number base converter tool by UrDailyTools. No registration required, works in your browser.