Numbers Converter
Convert between binary, decimal, and hexadecimal number systems with our fast and accurate converter
Numbers Converter
Popular Number Converters
Quick access to the most commonly used number base conversions
Binary to Decimal
Convert binary numbers to decimal
1010 → 10
Decimal to Binary
Convert decimal numbers to binary
10 → 1010
Decimal to Hex
Convert decimal numbers to hexadecimal
255 → FF
Hex to Decimal
Convert hexadecimal numbers to decimal
FF → 255
Binary to Hex
Convert binary numbers to hexadecimal
11111111 → FF
Hex to Binary
Convert hexadecimal numbers to binary
FF → 11111111
About Number Base Conversion
Binary (Base 2)
Uses only digits 0 and 1. Fundamental to computer systems and digital electronics.
Decimal (Base 10)
Standard number system using digits 0-9. Most commonly used in everyday mathematics.
Hexadecimal (Base 16)
Uses digits 0-9 and letters A-F. Widely used in programming and computer science.
Common Applications
- •Programming and software development
- •Computer science education
- •Digital electronics and hardware design
- •Network administration and IP addressing
- •Color codes and web development
- •Memory addressing and debugging
How to Use
Decimal 15
Binary: 1111 | Hex: F
Decimal 255
Binary: 11111111 | Hex: FF
Decimal 1024
Binary: 10000000000 | Hex: 400
Conversion Examples
- •Binary uses powers of 2 (1, 2, 4, 8, 16, 32...)
- •Hex digits A=10, B=11, C=12, D=13, E=14, F=15
- •Each hex digit represents 4 binary digits
- •Leading zeros don't change the value
- •Use uppercase for hex letters (A-F)