# Binary Calculator
Convert between binary, decimal, hexadecimal, and octal. Perform arithmetic and bitwise operations with step-by-step explanations.
01
Binary (Base‑2)
10
Decimal (Base‑10)
Additional Number Systems
5
Pentary (Base‑5)
8
Octal (Base‑8)
16
Hexadecimal (Base‑16)
Quick Reference
Primary Number Systems
- 01Binary numbers use only 0 and 1
- 10Decimal numbers use 0‑9
Additional Number Systems
- 5Pentary numbers use 0‑4
- 8Octal numbers use 0‑7
- 16Hexadecimal numbers use 0‑9 and A‑F