Hexadecimal describes a numbering system which contains 16 sequential numbers as base units including 0.
The hexadecimal numbers are 0-9 and then we use the letters A-F. The example of the equivalence of binary, decimal, and hexadecimal numbers are shown in the table below.
Hexadecimal is used to convert byte/modern computer numbers into defined binary digits. In order to convert any value from hexadecimal to binary ,one has to translate each hexadecimal digit into its 4 bit binary equivalent. And so two hexadecimals can show eight binary digits/ 1 byte.It is used in debugging a new computer program or coding a new program or HTML page.
Decimal to Hex Conversion Table
| Dec | Hex | Binary | Dec | Hex | Binary |
| 0 | 00 | 0000 0000 | 128 | 80 | 1000 0000 |
| 1 | 01 | 0000 0001 | 129 | 81 | 1000 0001 |
| 2 | 02 | 0000 0010 | 130 | 82 | 1000 0010 |
| 3 | 03 | 0000 0011 | 131 | 83 | 1000 0011 |
| 4 | 04 | 0000 0100 | 132 | 84 | 1000 0100 |
| 5 | 05 | 0000 0101 | 133 | 85 | 1000 0101 |
| 6 | 06 | 0000 0110 | 134 | 86 | 1000 0110 |
| 7 | 07 | 0000 0111 | 135 | 87 | 1000 0111 |
| 8 | 08 | 0000 1000 | 136 | 88 | 1000 1000 |
| 9 | 09 | 0000 1001 | 137 | 89 | 1000 1001 |
| 10 | 0A | 0000 1010 | 138 | 8A | 1000 1010 |
| 11 | 0B | 0000 1011 | 139 | 8B | 1000 1011 |
| 12 | 0C | 0000 1100 | 140 | 8C | 1000 1100 |
| 13 | 0D | 0000 1101 | 141 | 8D | 1000 1101 |
| 14 | 0E | 0000 1110 | 142 | 8E | 1000 1110 |
| 15 | 0F | 0000 1111 | 143 | 8F | 1000 1111 |
| 16 | 10 | 0001 0000 | 144 | 90 | 1001 0000 |
| 17 | 11 | 0001 0001 | 145 | 91 | 1001 0001 |
| 18 | 12 | 0001 0010 | 146 | 92 | 1001 0010 |
| 19 | 13 | 0001 0011 | 147 | 93 | 1001 0011 |
| 20 | 14 | 0001 0100 | 148 | 94 | 1001 0100 |
| 21 | 15 | 0001 0101 | 149 | 95 | 1001 0101 |
| 22 | 16 | 0001 0110 | 150 | 96 | 1001 0110 |
| 23 | 17 | 0001 0111 | 151 | 97 | 1001 0111 |
| 24 | 18 | 0001 1000 | 152 | 98 | 1001 1000 |
| 25 | 19 | 0001 1001 | 153 | 99 | 1001 1001 |
| 26 | 1A | 0001 1010 | 154 | 9A | 1001 1010 |
| 27 | 1B | 0001 1011 | 155 | 9B | 1001 1011 |
| 28 | 1C | 0001 1100 | 156 | 9C | 1001 1100 |
| 29 | 1D | 0001 1101 | 157 | 9D | 1001 1101 |
| 30 | 1E | 0001 1110 | 158 | 9E | 1001 1110 |
| 31 | 1F | 0001 1111 | 159 | 9F | 1001 1111 |
| 32 | 20 | 0010 0000 | 160 | A0 | 1010 0000 |
| 33 | 21 | 0010 0001 | 161 | A1 | 1010 0001 |
| 34 | 22 | 0010 0010 | 162 | A2 | 1010 0010 |
| 35 | 23 | 0010 0011 | 163 | A3 | 1010 0011 |
| 36 | 24 | 0010 0100 | 164 | A4 | 1010 0100 |
| 37 | 25 | 0010 0101 | 165 | A5 | 1010 0101 |
| 38 | 26 | 0010 0110 | 166 | A6 | 1010 0110 |
| 39 | 27 | 0010 0111 | 167 | A7 | 1010 0111 |
| 40 | 28 | 0010 1000 | 168 | A8 | 1010 1000 |
| 41 | 29 | 0010 1001 | 169 | A9 | 1010 1001 |
| 42 | 2A | 0010 1010 | 170 | AA | 1010 1010 |
| 43 | 2B | 0010 1011 | 171 | AB | 1010 1011 |
| 44 | 2C | 0010 1100 | 172 | AC | 1010 1100 |
| 45 | 2D | 0010 1101 | 173 | AD | 1010 1101 |
| 46 | 2E | 0010 1110 | 174 | AE | 1010 1110 |
| 47 | 2F | 0010 1111 | 175 | AF | 1010 1111 |
| 48 | 30 | 0011 0000 | 176 | B0 | 1011 0000 |
| 49 | 31 | 0011 0001 | 177 | B1 | 1011 0001 |
| 50 | 32 | 0011 0010 | 178 | B2 | 1011 0010 |
| 51 | 33 | 0011 0011 | 179 | B3 | 1011 0011 |
| 52 | 34 | 0011 0100 | 180 | B4 | 1011 0100 |
| 53 | 35 | 0011 0101 | 181 | B5 | 1011 0101 |
| 54 | 36 | 0011 0110 | 182 | B6 | 1011 0110 |
| 55 | 37 | 0011 0111 | 183 | B7 | 1011 0111 |
| 56 | 38 | 0011 1000 | 184 | B8 | 1011 1000 |
| 57 | 39 | 0011 1001 | 185 | B9 | 1011 1001 |
| 58 | 3A | 0011 1010 | 186 | BA | 1011 1010 |
| 59 | 3B | 0011 1011 | 187 | BB | 1011 1011 |
| 60 | 3C | 0011 1100 | 188 | BC | 1011 1100 |
| 61 | 3D | 0011 1101 | 189 | BD | 1011 1101 |
| 62 | 3E | 0011 1110 | 190 | BE | 1011 1110 |
| 63 | 3F | 0011 1111 | 191 | BF | 1011 1111 |
| 64 | 40 | 0100 0000 | 192 | C0 | 1100 0000 |
| 65 | 41 | 0100 0001 | 193 | C1 | 1100 0001 |
| 66 | 42 | 0100 0010 | 194 | C2 | 1100 0010 |
| 67 | 43 | 0100 0011 | 195 | C3 | 1100 0011 |
| 68 | 44 | 0100 0100 | 196 | C4 | 1100 0100 |
| 69 | 45 | 0100 0101 | 197 | C5 | 1100 0101 |
| 70 | 46 | 0100 0110 | 198 | C6 | 1100 0110 |
| 71 | 47 | 1100 0111 | 199 | C7 | 1100 0111 |
| 72 | 48 | 0100 1000 | 200 | C8 | 1100 1000 |
| 73 | 49 | 0100 1001 | 201 | C9 | 1100 1001 |
| 74 | 4A | 0100 1010 | 202 | CA | 1100 1010 |
| 75 | 4B | 0100 1011 | 203 | CB | 1100 1011 |
| 76 | 4C | 0100 1100 | 204 | CC | 1100 1100 |
| 77 | 4D | 0100 1101 | 205 | CD | 1100 1101 |
| 78 | 4E | 0100 1110 | 206 | CE | 1100 1110 |
| 79 | 4F | 1100 1111 | 207 | CF | 1100 1111 |
| 80 | 50 | 0101 0000 | 208 | D0 | 1101 0000 |
| 81 | 51 | 0101 0001 | 209 | D1 | 1101 0001 |
| 82 | 52 | 0101 0010 | 210 | D2 | 1101 0010 |
| 83 | 53 | 0101 0011 | 211 | D3 | 1101 0011 |
| 84 | 54 | 0101 0100 | 212 | D4 | 1101 0100 |
| 85 | 55 | 0101 0101 | 213 | D5 | 1101 0101 |
| 86 | 56 | 0101 0110 | 214 | D6 | 1101 0110 |
| 87 | 57 | 1101 0111 | 215 | D7 | 1101 0111 |
| 88 | 58 | 0101 1000 | 216 | D8 | 1101 1000 |
| 89 | 59 | 0101 1001 | 217 | D9 | 1101 1001 |
| 90 | 5A | 0101 1010 | 218 | DA | 1101 1010 |
| 91 | 5B | 0100 1011 | 219 | DB | 1101 1011 |
| 92 | 5C | 0101 1100 | 220 | DC | 1101 1100 |
| 93 | 5D | 0101 1101 | 221 | DD | 1101 1101 |
| 94 | 5E | 0101 1110 | 222 | DE | 1101 1110 |
| 95 | 5F | 1101 1111 | 223 | DF | 1101 1111 |
| 96 | 60 | 0110 0000 | 224 | E0 | 1110 0000 |
| 97 | 61 | 0110 0001 | 225 | E1 | 1110 0001 |
| 98 | 62 | 0110 0010 | 226 | E2 | 1110 0010 |
| 99 | 63 | 0110 0011 | 227 | E3 | 1110 0011 |
| 100 | 64 | 0110 0100 | 228 | E4 | 1110 0100 |
| 101 | 65 | 0110 0101 | 229 | E5 | 1110 0101 |
| 102 | 66 | 0110 0110 | 230 | E6 | 1110 0110 |
| 103 | 67 | 1110 0111 | 231 | E7 | 1110 0111 |
| 104 | 68 | 0110 1000 | 232 | E8 | 1110 1000 |
| 105 | 69 | 0110 1001 | 233 | E9 | 1110 1001 |
| 106 | 6A | 0110 1010 | 234 | EA | 1110 1010 |
| 107 | 6B | 0110 1011 | 235 | EB | 1110 1011 |
| 108 | 6C | 0110 1100 | 236 | EC | 1110 1100 |
| 109 | 6D | 0110 1101 | 237 | ED | 1110 1101 |
| 110 | 6E | 0110 1110 | 238 | EE | 1110 1110 |
| 111 | 6F | 1110 1111 | 239 | EF | 1110 1111 |
| 112 | 70 | 0111 0000 | 240 | F0 | 1111 0000 |
| 113 | 71 | 0111 0001 | 241 | F1 | 1111 0001 |
| 114 | 72 | 0111 0010 | 242 | F2 | 1111 0010 |
| 115 | 73 | 0111 0011 | 243 | F3 | 1111 0011 |
| 116 | 74 | 0111 0100 | 244 | F4 | 1111 0100 |
| 117 | 75 | 0111 0101 | 245 | F5 | 1111 0101 |
| 118 | 76 | 0111 0110 | 246 | F6 | 1111 0110 |
| 119 | 77 | 1111 0111 | 247 | F7 | 1111 0111 |
| 120 | 78 | 0111 1000 | 248 | F8 | 1111 1000 |
| 121 | 79 | 0111 1001 | 249 | F9 | 1111 1001 |
| 122 | 7A | 0111 1010 | 250 | FA | 1111 1010 |
| 123 | 7B | 0111 1011 | 251 | FB | 1111 1011 |
| 124 | 7C | 0111 1100 | 252 | FC | 1111 1100 |
| 125 | 7D | 0111 1101 | 253 | FD | 1111 1101 |
| 126 | 7E | 0111 1110 | 254 | FE | 1111 1110 |
| 127 | 7F | 0111 1111 | 255 | FF | 1111 1111 |