7-bit ASCII Character Codes
The ASCII table contains letters, numbers, control characters, and other symbols. Each character is assigned a unique 7-bit code. ASCII is an acronym for American Standard Code for Information Interchange.
| Decimal | Octal | Hex | Binary | Value | Description |
| 000 | 000 | 00 | 0000 0000 | NUL | "null" character |
| 001 | 001 | 01 | 0000 0001 | SOH | start of header |
| 002 | 002 | 02 | 0000 0010 | STX | start of text |
| 003 | 003 | 03 | 0000 0011 | ETX | end of text |
| 004 | 004 | 04 | 0000 0100 | EOT | end of transmission |
| 005 | 005 | 05 | 0000 0101 | ENQ | enquiry |
| 006 | 006 | 06 | 0000 0110 | ACK | acknowledgment |
| 007 | 007 | 07 | 0000 0111 | BEL | bell |
| 008 | 010 | 08 | 0000 1000 | BS | backspace |
| 009 | 011 | 09 | 0000 1001 | HT | horizontal tab |
| 010 | 012 | 0A | 0000 1010 | LF | line feed |
| 011 | 013 | 0B | 0000 1011 | VT | vertical tab |
| 012 | 014 | 0C | 0000 1100 | FF | form feed |
| 013 | 015 | 0D | 0000 1101 | CR | carriage return |
| 014 | 016 | 0E | 0000 1110 | SO | shift out |
| 015 | 017 | 0F | 0000 1111 | SI | shift in |
| 016 | 020 | 10 | 0001 0000 | DLE | data link escape |
| 017 | 021 | 11 | 0001 0001 | DC1 | device control 1 (XON) |
| 018 | 022 | 12 | 0001 0010 | DC2 | device control 2 |
| 019 | 023 | 13 | 0001 0011 | DC3 | device control 3 (XOFF) |
| 020 | 024 | 14 | 0001 0100 | DC4 | device control 4 |
| 021 | 025 | 15 | 0001 0101 | NAK | negative acknowledgement |
| 022 | 026 | 16 | 0001 0110 | SYN | synchronous idle |
| 023 | 027 | 17 | 0001 0111 | ETB | end of transmission block |
| 024 | 030 | 18 | 0001 1000 | CAN | cancel |
| 025 | 031 | 19 | 0001 1001 | EM | end of medium |
| 026 | 032 | 1A | 0001 1010 | SUB | substitute |
| 027 | 033 | 1B | 0001 1011 | ESC | escape |
| 028 | 034 | 1C | 0001 1100 | FS | file separator |
| 029 | 035 | 1D | 0001 1101 | GS | group separator |
| 030 | 036 | 1E | 0001 1110 | RS | request to send/record separator |
| 031 | 037 | 1F | 0001 1111 | US | unit separator |
| 032 | 040 | 20 | 0010 0000 | SP | space |
| 033 | 041 | 21 | 0010 0001 | ! | exclamation mark |
| 034 | 042 | 22 | 0010 0010 | " | double quote |
| 035 | 043 | 23 | 0010 0011 | # | number sign |
| 036 | 044 | 24 | 0010 0100 | $ | dollar sign |
| 037 | 045 | 25 | 0010 0101 | % | percent |
| 038 | 046 | 26 | 0010 0110 | & | ampersand |
| 039 | 047 | 27 | 0010 0111 | ' | single quote |
| 040 | 050 | 28 | 0010 1000 | ( | left/opening parenthesis |
| 041 | 051 | 29 | 0010 1001 | ) | right/closing parenthesis |
| 042 | 052 | 2A | 0010 1010 | * | asterisk |
| 043 | 053 | 2B | 0010 1011 | + | plus |
| 044 | 054 | 2C | 0010 1100 | , | comma |
| 045 | 055 | 2D | 0010 1101 | - | minus or dash |
| 046 | 056 | 2E | 0010 1110 | . | dot |
| 047 | 057 | 2F | 0010 1111 | / | forward slash |
| 048 | 060 | 30 | 0011 0000 | 0 | |
| 049 | 061 | 31 | 0011 0001 | 1 | |
| 050 | 062 | 32 | 0011 0010 | 2 | |
| 051 | 063 | 33 | 0011 0011 | 3 | |
| 052 | 064 | 34 | 0011 0100 | 4 | |
| 053 | 065 | 35 | 0011 0101 | 5 | |
| 054 | 066 | 36 | 0011 0110 | 6 | |
| 055 | 067 | 37 | 0011 0111 | 7 | |
| 056 | 070 | 38 | 0011 1000 | 8 | |
| 057 | 071 | 39 | 0011 1001 | 9 | |
| 058 | 072 | 3A | 0011 1010 | : | colon |
| 059 | 073 | 3B | 0011 1011 | ; | semi-colon |
| 060 | 074 | 3C | 0011 1100 | < | less than |
| 061 | 075 | 3D | 0011 1101 | = | equal sign |
| 062 | 076 | 3E | 0011 1110 | > | greater than |
| 063 | 077 | 3F | 0011 1111 | ? | question mark |
| 064 | 100 | 40 | 0100 0000 | @ | "at" symbol |
| 065 | 101 | 41 | 0100 0001 | A | |
| 066 | 102 | 42 | 0100 0010 | B | |
| 067 | 103 | 43 | 0100 0011 | C | |
| 068 | 104 | 44 | 0100 0100 | D | |
| 069 | 105 | 45 | 0100 0101 | E | |
| 070 | 106 | 46 | 0100 0110 | F | |
| 071 | 107 | 47 | 0100 0111 | G | |
| 072 | 110 | 48 | 0100 1000 | H | |
| 073 | 111 | 49 | 0100 1001 | I | |
| 074 | 112 | 4A | 0100 1010 | J | |
| 075 | 113 | 4B | 0100 1011 | K | |
| 076 | 114 | 4C | 0100 1100 | L | |
| 077 | 115 | 4D | 0100 1101 | M | |
| 078 | 116 | 4E | 0100 1110 | N | |
| 079 | 117 | 4F | 0100 1111 | O | |
| 080 | 120 | 50 | 0101 0000 | P | |
| 081 | 121 | 51 | 0101 0001 | Q | |
| 082 | 122 | 52 | 0101 0010 | R | |
| 083 | 123 | 53 | 0101 0011 | S | |
| 084 | 124 | 54 | 0101 0100 | T | |
| 085 | 125 | 55 | 0101 0101 | U | |
| 086 | 126 | 56 | 0101 0110 | V | |
| 087 | 127 | 57 | 0101 0111 | W | |
| 088 | 130 | 58 | 0101 1000 | X | |
| 089 | 131 | 59 | 0101 1001 | Y | |
| 090 | 132 | 5A | 0101 1010 | Z | |
| 091 | 133 | 5B | 0101 1011 | [ | left/opening bracket |
| 092 | 134 | 5C | 0101 1100 | \ | back slash |
| 093 | 135 | 5D | 0101 1101 | ] | right/closing bracket |
| 094 | 136 | 5E | 0101 1110 | ^ | caret/circumflex |
| 095 | 137 | 5F | 0101 1111 | _ | underscore |
| 096 | 140 | 60 | 0110 0000 | ` | |
| 097 | 141 | 61 | 0110 0001 | a | |
| 098 | 142 | 62 | 0110 0010 | b | |
| 099 | 143 | 63 | 0110 0011 | c | |
| 100 | 144 | 64 | 0110 0100 | d | |
| 101 | 145 | 65 | 0110 0101 | e | |
| 102 | 146 | 66 | 0110 0110 | f | |
| 103 | 147 | 67 | 0110 0111 | g | |
| 104 | 150 | 68 | 0110 1000 | h | |
| 105 | 151 | 69 | 0110 1001 | i | |
| 106 | 152 | 6A | 0110 1010 | j | |
| 107 | 153 | 6B | 0110 1011 | k | |
| 108 | 154 | 6C | 0110 1100 | l | |
| 109 | 155 | 6D | 0110 1101 | m | |
| 110 | 156 | 6E | 0110 1110 | n | |
| 111 | 157 | 6F | 0110 1111 | o | |
| 112 | 160 | 70 | 0111 0000 | p | |
| 113 | 161 | 71 | 0111 0001 | q | |
| 114 | 162 | 72 | 0111 0010 | r | |
| 115 | 163 | 73 | 0111 0011 | s | |
| 116 | 164 | 74 | 0111 0100 | t | |
| 117 | 165 | 75 | 0111 0101 | u | |
| 118 | 166 | 76 | 0111 0110 | v | |
| 119 | 167 | 77 | 0111 0111 | w | |
| 120 | 170 | 78 | 0111 1000 | x | |
| 121 | 171 | 79 | 0111 1001 | y | |
| 122 | 172 | 7A | 0111 1010 | z | |
| 123 | 173 | 7B | 0111 1011 | { | left/opening brace |
| 124 | 174 | 7C | 0111 1100 | | | vertical bar |
| 125 | 175 | 7D | 0111 1101 | } | right/closing brace |
| 126 | 176 | 7E | 0111 1110 | ~ | tilde |
| 127 | 177 | 7F | 0111 1111 | DEL | delete |
Extended ASCII Table
| Decimal | Octal | Hex | Binary | Value | Description |
| 128 | 200 | 80 | 1000 0000 | Ç | capital letter c with cedilla |
| 129 | 201 | 81 | 1000 0001 | ü | letter u with diaeresis |
| 130 | 202 | 82 | 1000 0010 | é | letter e with acute |
| 131 | 203 | 83 | 1000 0011 | â | letter a with circumflex |
| 132 | 204 | 84 | 1000 0100 | ä | letter a with diaeresis |
| 133 | 205 | 85 | 1000 0101 | à | letter a with grave |
| 134 | 206 | 86 | 1000 0110 | å | letter a with ring above |
| 135 | 207 | 87 | 1000 0111 | ç | letter c with cedilla |
| 136 | 210 | 88 | 1000 1000 | ê | letter e with circumflex |
| 137 | 211 | 89 | 1000 1001 | ë | letter e with diaeresis |
| 138 | 212 | 8A | 1000 1010 | è | letter e with grave |
| 139 | 213 | 8B | 1000 1011 | ï | letter i with diaeresis |
| 140 | 214 | 8C | 1000 1100 | î | letter i with circumflex |
| 141 | 215 | 8D | 1000 1101 | ì | letter i with grave |
| 142 | 216 | 8E | 1000 1110 | Ä | capital letter a with diaeresis |
| 143 | 217 | 8F | 1000 1111 | Å | capital letter a with ring above |
| 144 | 220 | 90 | 1001 0000 | É | capital letter e with acute |
| 145 | 221 | 91 | 1001 0001 | æ | letter ae |
| 146 | 222 | 92 | 1001 0010 | Æ | capital letter ae |
| 147 | 223 | 93 | 1001 0011 | ô | letter o with circumflex |
| 148 | 224 | 94 | 1001 0100 | ö | letter o with diaeresis |
| 149 | 225 | 95 | 1001 0101 | ò | letter o with grave |
| 150 | 226 | 96 | 1001 0110 | û | letter u with circumflex |
| 151 | 227 | 97 | 1001 0111 | ù | letter u with grave |
| 152 | 230 | 98 | 1001 1000 | ÿ | letter y with diaeresis |
| 153 | 231 | 99 | 1001 1001 | Ö | capital letter o with diaeresis |
| 154 | 232 | 9A | 1001 1010 | Ü | capital letter u with diaeresis |
| 155 | 233 | 9B | 1001 1011 | ¢ | letter o with stroke |
| 156 | 234 | 9C | 1001 1100 | £ | pound sign |
| 157 | 235 | 9D | 1001 1101 | ¥ | yen sign |
| 158 | 236 | 9E | 1001 1110 | ₧ | peseta sign |
| 159 | 237 | 9F | 1001 1111 | ƒ | letter f with hook |
| 160 | 240 | A0 | 1010 0000 | á | letter a with acute |
| 161 | 241 | A1 | 1010 0001 | í | letter i with acute |
| 162 | 242 | A2 | 1010 0010 | ó | letter o with acute |
| 163 | 243 | A3 | 1010 0011 | ú | letter u with acute |
| 164 | 244 | A4 | 1010 0100 | ñ | letter n with tilde |
| 165 | 245 | A5 | 1010 0101 | Ñ | capital letter n with tilde |
| 166 | 246 | A6 | 1010 0110 | ª | feminine ordinal indicator |
| 167 | 247 | A7 | 1010 0111 | º | masculine ordinal indicator |
| 168 | 250 | A8 | 1010 1000 | ¿ | inverted question mark |
| 169 | 251 | A9 | 1010 1001 | ⌐ | reversed not sign |
| 170 | 252 | AA | 1010 1010 | ¬ | not sign |
| 171 | 253 | AB | 1010 1011 | ½ | one half |
| 172 | 254 | AC | 1010 1100 | ¼ | one quarter |
| 173 | 255 | AD | 1010 1101 | ¡ | inverted exclamation mark |
| 174 | 256 | AE | 1010 1110 | « | left double angle quotation mark |
| 175 | 257 | AF | 1010 1111 | » | right double angle quotation mark |
| 176 | 260 | B0 | 1011 0000 | ░ | light shade |
| 177 | 261 | B1 | 1011 0001 | ▒ | medium shade |
| 178 | 262 | B2 | 1011 0010 | ▓ | dark shade |
| 179 | 263 | B3 | 1011 0011 | │ | single vertical |
| 180 | 264 | B4 | 1011 0100 | ┤ | single vertical and left |
| 181 | 265 | B5 | 1011 0101 | ╡ | single vertical and double left |
| 182 | 266 | B6 | 1011 0110 | ╢ | double vertical and single left |
| 183 | 267 | B7 | 1011 0111 | ╖ | double down and single left |
| 184 | 270 | B8 | 1011 1000 | ╕ | single down and double left |
| 185 | 271 | B9 | 1011 1001 | ╣ | double vertical and left |
| 186 | 272 | BA | 1011 1010 | ║ | double vertical |
| 187 | 273 | BB | 1011 1011 | ╗ | double down and left |
| 188 | 274 | BC | 1011 1100 | ╝ | double up and left |
| 189 | 275 | BD | 1011 1101 | ╜ | double up and single left |
| 190 | 276 | BE | 1011 1110 | ╛ | single up and double left |
| 191 | 277 | BF | 1011 1111 | ┐ | single down and left |
| 192 | 300 | C0 | 1100 0000 | └ | single up and right |
| 193 | 301 | C1 | 1100 0001 | ┴ | single up and horizontal |
| 194 | 302 | C2 | 1100 0010 | ┬ | single down and horizontal |
| 195 | 303 | C3 | 1100 0011 | ├ | single vertical and right |
| 196 | 304 | C4 | 1100 0100 | ─ | single horizontal |
| 197 | 305 | C5 | 1100 0101 | ┼ | single vertical and horizontal |
| 198 | 306 | C6 | 1100 0110 | ╞ | single vertical and double right |
| 199 | 307 | C7 | 1100 0111 | ╟ | double vertical and single right |
| 200 | 310 | C8 | 1100 1000 | ╚ | double up and right |
| 201 | 311 | C9 | 1100 1001 | ╔ | double down and right |
| 202 | 312 | CA | 1100 1010 | ╩ | double up and horizontal |
| 203 | 313 | CB | 1100 1011 | ╦ | double down and horizontal |
| 204 | 314 | CC | 1100 1100 | ╠ | double vertical and right |
| 205 | 315 | CD | 1100 1101 | ═ | double horizontal |
| 206 | 316 | CE | 1100 1110 | ╬ | double vertical and horizontal |
| 207 | 317 | CF | 1100 1111 | ╧ | single up and double horizontal |
| 208 | 320 | D0 | 1101 0000 | ╨ | double up and single horizontal |
| 209 | 321 | D1 | 1101 0001 | ╤ | single down and double horizontal |
| 210 | 322 | D2 | 1101 0010 | ╥ | double down and single horizontal |
| 211 | 323 | D3 | 1101 0011 | ╙ | double up and single right |
| 212 | 324 | D4 | 1101 0100 | ╘ | single up and double right |
| 213 | 325 | D5 | 1101 0101 | ╒ | single down and double right |
| 214 | 326 | D6 | 1101 0110 | ╓ | double down and single right |
| 215 | 327 | D7 | 1101 0111 | ╫ | double vertical and single horizontal |
| 216 | 330 | D8 | 1101 1000 | ╪ | single vertical and double horizontal |
| 217 | 331 | D9 | 1101 1001 | ┘ | single up and left |
| 218 | 332 | DA | 1101 1010 | ┌ | single down and right |
| 219 | 333 | DB | 1101 1011 | █ | full block |
| 220 | 334 | DC | 1101 1100 | ▄ | bottom half block |
| 221 | 335 | DD | 1101 1101 | ▌ | left half block |
| 222 | 336 | DE | 1101 1110 | ▐ | right half block |
| 223 | 337 | DF | 1101 1111 | ▀ | top half block |
| 224 | 340 | E0 | 1110 0000 | α | greek letter alpha |
| 225 | 341 | E1 | 1110 0001 | ß | letter sharp s |
| 226 | 342 | E2 | 1110 0010 | Γ | greek capital letter gamma |
| 227 | 343 | E3 | 1110 0011 | π | greek letter pi |
| 228 | 344 | E4 | 1110 0100 | Σ | greek capital letter sigma |
| 229 | 345 | E5 | 1110 0101 | σ | greek letter sigma |
| 230 | 346 | E6 | 1110 0110 | µ | micro sign |
| 231 | 347 | E7 | 1110 0111 | τ | greek letter tau |
| 232 | 350 | E8 | 1110 1000 | Φ | greek capital letter phi |
| 233 | 351 | E9 | 1110 1001 | Θ | greek capital letter theta |
| 234 | 352 | EA | 1110 1010 | Ω | greek capital letter omega |
| 235 | 353 | EB | 1110 1011 | δ | greek letter delta |
| 236 | 354 | EC | 1110 1100 | ∞ | infinity |
| 237 | 355 | ED | 1110 1101 | φ | greek letter phi |
| 238 | 356 | EE | 1110 1110 | ε | greek letter epsilon |
| 239 | 357 | EF | 1110 1111 | ∩ | intersection |
| 240 | 360 | F0 | 1111 0000 | ≡ | identical to |
| 241 | 361 | F1 | 1111 0001 | ± | plus-minus sign |
| 242 | 362 | F2 | 1111 0010 | ≥ | greater than or equal to |
| 243 | 363 | F3 | 1111 0011 | ≤ | less than or equal to |
| 244 | 364 | F4 | 1111 0100 | ⌠ | top half integral |
| 245 | 365 | F5 | 1111 0101 | ⌡ | bottom half integral |
| 246 | 366 | F6 | 1111 0110 | ÷ | division sign |
| 247 | 367 | F7 | 1111 0111 | ≈ | almost equal to |
| 248 | 370 | F8 | 1111 1000 | ° | degree sign |
| 249 | 371 | F9 | 1111 1001 | ∙ | bullet operator |
| 250 | 372 | FA | 1111 1010 | · | middle dot |
| 251 | 373 | FB | 1111 1011 | √ | square root |
| 252 | 374 | FC | 1111 1100 | ⁿ | superscript n |
| 253 | 375 | FD | 1111 1101 | ² | superscript 2 |
| 254 | 376 | FE | 1111 1110 | ■ | black square |
| 255 | 377 | FF | 1111 1111 | no-break space |
Copied from: https://www.sciencebuddies.org/science-fair-projects/references/ascii-table

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