HEX to DECIMAL
A hexadecimal number has base 16 (0,1,2,3,4,5,6,7,8,9 A,B,C,D,E,F). Enter your hex-formatted number below to convert it to decimal number and binary, with a detailed explanation on how the conversion was calculated.

basic hex to decimal conversiontable

Hex 0 1 2 3 4 5 6 7 8 9 A B C D E F
Decimal 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Convert hex to decimal

Enter Hexadecimal value:

Hex A1 to decimal explained:

The value of HEX A1 in decimal is 161.
The value of HEX A1 in binary is 10100001.
1 1 X 160 = 1
A 10 X 161 = 160
HEX A1 = 161
the binary value is: 10100001
hexdecbin hexdecbin hexdecbin hexdecbin
hex 00 0 0 hex 40 64 1000000 hex 80 128 10000000 hex C0 192 11000000
hex 01 1 1 hex 41 65 1000001 hex 81 129 10000001 hex C1 193 11000001
hex 02 2 10 hex 42 66 1000010 hex 82 130 10000010 hex C2 194 11000010
hex 03 3 11 hex 43 67 1000011 hex 83 131 10000011 hex C3 195 11000011
hex 04 4 100 hex 44 68 1000100 hex 84 132 10000100 hex C4 196 11000100
hex 05 5 101 hex 45 69 1000101 hex 85 133 10000101 hex C5 197 11000101
hex 06 6 110 hex 46 70 1000110 hex 86 134 10000110 hex C6 198 11000110
hex 07 7 111 hex 47 71 1000111 hex 87 135 10000111 hex C7 199 11000111
hex 08 8 1000 hex 48 72 1001000 hex 88 136 10001000 hex C8 200 11001000
hex 09 9 1001 hex 49 73 1001001 hex 89 137 10001001 hex C9 201 11001001
hex 0A 10 1010 hex 4A 74 1001010 hex 8A 138 10001010 hex CA 202 11001010
hex 0B 11 1011 hex 4B 75 1001011 hex 8B 139 10001011 hex CB 203 11001011
hex 0C 12 1100 hex 4C 76 1001100 hex 8C 140 10001100 hex CC 204 11001100
hex 0D 13 1101 hex 4D 77 1001101 hex 8D 141 10001101 hex CD 205 11001101
hex 0E 14 1110 hex 4E 78 1001110 hex 8E 142 10001110 hex CE 206 11001110
hex 0F 15 1111 hex 4F 79 1001111 hex 8F 143 10001111 hex CF 207 11001111
hex 10 16 10000 hex 50 80 1010000 hex 90 144 10010000 hex D0 208 11010000
hex 11 17 10001 hex 51 81 1010001 hex 91 145 10010001 hex D1 209 11010001
hex 12 18 10010 hex 52 82 1010010 hex 92 146 10010010 hex D2 210 11010010
hex 13 19 10011 hex 53 83 1010011 hex 93 147 10010011 hex D3 211 11010011
hex 14 20 10100 hex 54 84 1010100 hex 94 148 10010100 hex D4 212 11010100
hex 15 21 10101 hex 55 85 1010101 hex 95 149 10010101 hex D5 213 11010101
hex 16 22 10110 hex 56 86 1010110 hex 96 150 10010110 hex D6 214 11010110
hex 17 23 10111 hex 57 87 1010111 hex 97 151 10010111 hex D7 215 11010111
hex 18 24 11000 hex 58 88 1011000 hex 98 152 10011000 hex D8 216 11011000
hex 19 25 11001 hex 59 89 1011001 hex 99 153 10011001 hex D9 217 11011001
hex 1A 26 11010 hex 5A 90 1011010 hex 9A 154 10011010 hex DA 218 11011010
hex 1B 27 11011 hex 5B 91 1011011 hex 9B 155 10011011 hex DB 219 11011011
hex 1C 28 11100 hex 5C 92 1011100 hex 9C 156 10011100 hex DC 220 11011100
hex 1D 29 11101 hex 5D 93 1011101 hex 9D 157 10011101 hex DD 221 11011101
hex 1E 30 11110 hex 5E 94 1011110 hex 9E 158 10011110 hex DE 222 11011110
hex 1F 31 11111 hex 5F 95 1011111 hex 9F 159 10011111 hex DF 223 11011111
hex 20 32 100000 hex 60 96 1100000 hex A0 160 10100000 hex E0 224 11100000
hex 21 33 100001 hex 61 97 1100001 hex A1 161 10100001 hex E1 225 11100001
hex 22 34 100010 hex 62 98 1100010 hex A2 162 10100010 hex E2 226 11100010
hex 23 35 100011 hex 63 99 1100011 hex A3 163 10100011 hex E3 227 11100011
hex 24 36 100100 hex 64 100 1100100 hex A4 164 10100100 hex E4 228 11100100
hex 25 37 100101 hex 65 101 1100101 hex A5 165 10100101 hex E5 229 11100101
hex 26 38 100110 hex 66 102 1100110 hex A6 166 10100110 hex E6 230 11100110
hex 27 39 100111 hex 67 103 1100111 hex A7 167 10100111 hex E7 231 11100111
hex 28 40 101000 hex 68 104 1101000 hex A8 168 10101000 hex E8 232 11101000
hex 29 41 101001 hex 69 105 1101001 hex A9 169 10101001 hex E9 233 11101001
hex 2A 42 101010 hex 6A 106 1101010 hex AA 170 10101010 hex EA 234 11101010
hex 2B 43 101011 hex 6B 107 1101011 hex AB 171 10101011 hex EB 235 11101011
hex 2C 44 101100 hex 6C 108 1101100 hex AC 172 10101100 hex EC 236 11101100
hex 2D 45 101101 hex 6D 109 1101101 hex AD 173 10101101 hex ED 237 11101101
hex 2E 46 101110 hex 6E 110 1101110 hex AE 174 10101110 hex EE 238 11101110
hex 2F 47 101111 hex 6F 111 1101111 hex AF 175 10101111 hex EF 239 11101111
hex 30 48 110000 hex 70 112 1110000 hex B0 176 10110000 hex F0 240 11110000
hex 31 49 110001 hex 71 113 1110001 hex B1 177 10110001 hex F1 241 11110001
hex 32 50 110010 hex 72 114 1110010 hex B2 178 10110010 hex F2 242 11110010
hex 33 51 110011 hex 73 115 1110011 hex B3 179 10110011 hex F3 243 11110011
hex 34 52 110100 hex 74 116 1110100 hex B4 180 10110100 hex F4 244 11110100
hex 35 53 110101 hex 75 117 1110101 hex B5 181 10110101 hex F5 245 11110101
hex 36 54 110110 hex 76 118 1110110 hex B6 182 10110110 hex F6 246 11110110
hex 37 55 110111 hex 77 119 1110111 hex B7 183 10110111 hex F7 247 11110111
hex 38 56 111000 hex 78 120 1111000 hex B8 184 10111000 hex F8 248 11111000
hex 39 57 111001 hex 79 121 1111001 hex B9 185 10111001 hex F9 249 11111001
hex 3A 58 111010 hex 7A 122 1111010 hex BA 186 10111010 hex FA 250 11111010
hex 3B 59 111011 hex 7B 123 1111011 hex BB 187 10111011 hex FB 251 11111011
hex 3C 60 111100 hex 7C 124 1111100 hex BC 188 10111100 hex FC 252 11111100
hex 3D 61 111101 hex 7D 125 1111101 hex BD 189 10111101 hex FD 253 11111101
hex 3E 62 111110 hex 7E 126 1111110 hex BE 190 10111110 hex FE 254 11111110
hex 3F 63 111111 hex 7F 127 1111111 hex BF 191 10111111 hex FF 255 11111111