Binary to Decimal and Hexadecimal Conversion

01010101 in hex

(0101) = 5, (0101) = 5, for a Hex value of 0x55

01101010 in hex

(0110) = 6, (1010) = 10 for a Hex value of 0x6A

10110000

(128) + 0 + 32 + 16 + 0 + 0 + 0 + 0

11111111 in decimal

255

Nibble

4 bits. Every hex character is one nibble and two hex characters make up a byte. To convert

1000000 in decimal

128

Byte Values

128/64/32/16/8/4/2/1

11000000 in decimal

192

11100000 in decimal

224

11110000 in decimal

240

11111000 in decimal

248

11111100 in decimal

252

11111110 in decimal

254

Hexadecimal

A base-16 number system that uses sixteen distinct symbols 0-9 and A-F to represent numbers from 0 to 15.

Binary

A way of representing information using only two options: 0 and 1, which are bits. Based on where the 1s are in a binary number, that's what turns the bits on.

Cisco Hex Value format

Cisco puts '0x' in front of characters to indicate that its a box value. Ex. 0x6A