Number System Converter
Binary ↔ Decimal ↔ Hexadecimal | Useful for Computer Science Students
Number Converter
About Number Systems
Binary (Base-2)
The binary number system uses only two digits: 0 and 1. Each digit is called a bit. Binary is the fundamental language of computers, as digital circuits have two stable states (on/off).
Example: 10112 = 1×2³ + 0×2² + 1×2¹ + 1×2⁰ = 8 + 0 + 2 + 1 = 1110
Decimal (Base-10)
The decimal system is the standard system for denoting integer and non-integer numbers. It uses ten digits (0-9) and is the most widely used number system in daily life.
Example: 12310 = 1×10² + 2×10¹ + 3×10⁰ = 100 + 20 + 3
Hexadecimal (Base-16)
Hexadecimal uses sixteen symbols: 0-9 and A-F (where A=10, B=11, ..., F=15). It's commonly used in computing as a more human-friendly representation of binary values.
Example: 2F16 = 2×16¹ + 15×16⁰ = 32 + 15 = 4710
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