Read from right to left
Each position represents a power of 2
Start with 1 on the far right
Move left by doubling each place value
Add the place values where the bit is 1
Ignore the place values where the bit is 0
Example: 1011 = 8 + 0 + 2 + 1 = 11
Example: 1101 = 8 + 4 + 0 + 1 = 13