# How To Convert Between Binary, Decimal & Hexadecimal

**Binary**: base-**2** numeric system which uses two digits: **0, 1**

**Decimal:** base-**10** numeric system which use ten digits: **0–9**

**Hexadecimal**: base-**16** numeric system which uses sixteen digits: **0–9, A-F**

# Binary → Decimal

As binary is base-2, write powers of 2 (starting from zero) against the binary…