See below for a quick reference table on the ASCII codes.
| Decimal | Octal | Hex | Binary | Value | |
|---|---|---|---|---|---|
| 000 | 000 | 000 | 00000000 | NUL | (Null character) |
| 001 | 001 | 001 | 00000001 | SOH | (Start of Header) |
| 002 | 002 | 002 | 00000010 | STX | (Start of Text) |
| 003 | 003 | 003 | 00000011 | ETX | (End of Text) |
| 004 | 004 | 004 | 00000100 | EOT | (End of Transmission) |
| 005 | 005 | 005 | 00000101 | ENQ | (Enquiry) |
| 006 | 006 | 006 | 00000110 | ACK | (Acknowledgement) |
| 007 | 007 | 007 | 00000111 | BEL | (Bell) |
| 008 | 010 | 008 | 00001000 | BS | (Backspace) |
| 009 | 011 | 009 | 00001001 | HT | (Horizontal Tab) |
| 010 | 012 | 00A | 00001010 | LF | (Line Feed) |
| 011 | 013 | 00B | 00001011 | VT | (Vertical Tab) |
| 012 | 014 | 00C | 00001100 | FF | (Form Feed) |
| 013 | 015 | 00D | 00001101 | CR | (Carriage Return) |
| 014 | 016 | 00E | 00001110 | SO | (Shift Out) |
| 015 | 017 | 00F | 00001111 | SI | (Shift In) |
| 016 | 020 | 010 | 00010000 | DLE | (Data Link Escape) |
| 017 | 021 | 011 | 00010001 | DC1 | (XON) (Device Control 1) |
| 018 | 022 | 012 | 00010010 | DC2 | (Device Control 2) |
| 019 | 023 | 013 | 00010011 | DC3 | (XOFF) (Device Control 3) |
| 020 | 024 | 014 | 00010100 | DC4 | (Device Control 4) |
| 021 | 025 | 015 | 00010101 | NAK | (Negative Acknowledgement) |
| 022 | 026 | 016 | 00010110 | SYN | (Synchronous Idle) |
| 023 | 027 | 017 | 00010111 | ETB | (End of Transmission Block) |
| 024 | 030 | 018 | 00011000 | CAN | (Cancel) |
| 025 | 031 | 019 | 00011001 | EM | (End of Medium) |
| 026 | 032 | 01A | 00011010 | SUB | (Substitute) |
| 027 | 033 | 01B | 00011011 | ESC | (Escape) |
| 028 | 034 | 01C | 00011100 | FS | (File Separator) |
| 029 | 035 | 01D | 00011101 | GS | (Group Separator) |
| 030 | 036 | 01E | 00011110 | RS | (Req to Send) (Rec Sep) |
| 031 | 037 | 01F | 00011111 | US | (Unit Separator) |
| 032 | 040 | 020 | 00100000 | SP | (Space) |
| 033 | 041 | 021 | 00100001 | ! | |
| 034 | 042 | 022 | 00100010 | " | |
| 035 | 043 | 023 | 00100011 | # | |
| 036 | 044 | 024 | 00100100 | $ | |
| 037 | 045 | 025 | 00100101 | % | |
| 038 | 046 | 026 | 00100110 | & | |
| 039 | 047 | 027 | 00100111 | ' | |
| 040 | 050 | 028 | 00101000 | ( | |
| 041 | 051 | 029 | 00101001 | ) | |
| 042 | 052 | 02A | 00101010 | * | |
| 043 | 053 | 02B | 00101011 | + | |
| 044 | 054 | 02C | 00101100 | , | |
| 045 | 055 | 02D | 00101101 | - | |
| 046 | 056 | 02E | 00101110 | . | |
| 047 | 057 | 02F | 00101111 | / | |
| 048 | 060 | 030 | 00110000 | 0 | |
| 049 | 061 | 031 | 00110001 | 1 | |
| 050 | 062 | 032 | 00110010 | 2 | |
| 051 | 063 | 033 | 00110011 | 3 | |
| 052 | 064 | 034 | 00110100 | 4 | |
| 053 | 065 | 035 | 00110101 | 5 | |
| 054 | 066 | 036 | 00110110 | 6 | |
| 055 | 067 | 037 | 00110111 | 7 | |
| 056 | 070 | 038 | 00111000 | 8 | |
| 057 | 071 | 039 | 00111001 | 9 | |
| 058 | 072 | 03A | 00111010 | : | |
| 059 | 073 | 03B | 00111011 | ; | |
| 060 | 074 | 03C | 00111100 | < | |
| 061 | 075 | 03D | 00111101 | = | |
| 062 | 076 | 03E | 00111110 | > | |
| 063 | 077 | 03F | 00111111 | ? | |
| 064 | 100 | 040 | 01000000 | @ | |
| 065 | 101 | 041 | 01000001 | A | |
| 066 | 102 | 042 | 01000010 | B | |
| 067 | 103 | 043 | 01000011 | C | |
| 068 | 104 | 044 | 01000100 | D | |
| 069 | 105 | 045 | 01000101 | E | |
| 070 | 106 | 046 | 01000110 | F | |
| 071 | 107 | 047 | 01000111 | G | |
| 072 | 110 | 048 | 01001000 | H | |
| 073 | 111 | 049 | 01001001 | I | |
| 074 | 112 | 04A | 01001010 | J | |
| 075 | 113 | 04B | 01001011 | K | |
| 076 | 114 | 04C | 01001100 | L | |
| 077 | 115 | 04D | 01001101 | M | |
| 078 | 116 | 04E | 01001110 | N | |
| 079 | 117 | 04F | 01001111 | O | |
| 080 | 120 | 050 | 01010000 | P | |
| 081 | 121 | 051 | 01010001 | Q | |
| 082 | 122 | 052 | 01010010 | R | |
| 083 | 123 | 053 | 01010011 | S | |
| 084 | 124 | 054 | 01010100 | T | |
| 085 | 125 | 055 | 01010101 | U | |
| 086 | 126 | 056 | 01010110 | V | |
| 087 | 127 | 057 | 01010111 | W | |
| 088 | 130 | 058 | 01011000 | X | |
| 089 | 131 | 059 | 01011001 | Y | |
| 090 | 132 | 05A | 01011010 | Z | |
| 091 | 133 | 05B | 01011011 | [ | |
| 092 | 134 | 05C | 01011100 | \ | |
| 093 | 135 | 05D | 01011101 | ] | |
| 094 | 136 | 05E | 01011110 | ^ | |
| 095 | 137 | 05F | 01011111 | _ | |
| 096 | 140 | 060 | 01100000 | ` | |
| 097 | 141 | 061 | 01100001 | a | |
| 098 | 142 | 062 | 01100010 | b | |
| 099 | 143 | 063 | 01100011 | c | |
| 100 | 144 | 064 | 01100100 | d | |
| 101 | 145 | 065 | 01100101 | e | |
| 102 | 146 | 066 | 01100110 | f | |
| 103 | 147 | 067 | 01100111 | g | |
| 104 | 150 | 068 | 01101000 | h | |
| 105 | 151 | 069 | 01101001 | i | |
| 106 | 152 | 06A | 01101010 | j | |
| 107 | 153 | 06B | 01101011 | k | |
| 108 | 154 | 06C | 01101100 | l | |
| 109 | 155 | 06D | 01101101 | m | |
| 110 | 156 | 06E | 01101110 | n | |
| 111 | 157 | 06F | 01101111 | o | |
| 112 | 160 | 070 | 01110000 | p | |
| 113 | 161 | 071 | 01110001 | q | |
| 114 | 162 | 072 | 01110010 | r | |
| 115 | 163 | 073 | 01110011 | s | |
| 116 | 164 | 074 | 01110100 | t | |
| 117 | 165 | 075 | 01110101 | u | |
| 118 | 166 | 076 | 01110110 | v | |
| 119 | 167 | 077 | 01110111 | w | |
| 120 | 170 | 078 | 01111000 | x | |
| 121 | 171 | 079 | 01111001 | y | |
| 122 | 172 | 07A | 01111010 | z | |
| 123 | 173 | 07B | 01111011 | { | |
| 124 | 174 | 07C | 01111100 | | | |
| 125 | 175 | 07D | 01111101 | } | |
| 126 | 176 | 07E | 01111110 | ~ | |
| 127 | 177 | 07F | 01111111 | DEL |