Convert ASCII code to hexadecimal values instantly with this simple and accurate ASCII to hex converter. Enter text or ASCII characters to get the equivalent hexadecimal output.
ASCII to Hexadecimal Converter
How to Convert ASCII to Hexadecimal
ASCII to Hexadecimal Formula
The following process can be used to convert ASCII to hexadecimal:
Hex = ASCII character → Unicode code → Base 16 (Hexadecimal)
Each ASCII character has a unique decimal code. To get its hex equivalent, convert that code to base-16.
Example:
- Character: A
- ASCII code: 65
- Hexadecimal: 41
ASCII Definition
ASCII (American Standard Code for Information Interchange) is a character encoding standard used to represent text in computers, communication equipment, and other devices. Each character—letters, digits, symbols—is assigned a unique numeric code ranging from 0 to 127.
Hexadecimal Definition
Hexadecimal (base 16) is a number system using 16 symbols: 0–9 and A–F. It’s commonly used in computing to represent binary data in a compact, human-readable format. Each hexadecimal digit represents four binary bits.
ASCII to Hex Examples
- Example:
"Hello"→48 65 6C 6C 6F - Example:
"MainConverter"→4D 61 69 6E 43 6F 6E 76 65 72 74 65 72 - Example:
"123!"→31 32 33 21 - Example:
"@#&"→40 23 26
ASCII to Hex Table
| Dec | Char | Hex | Dec | Char | Hex | Dec | Char | Hex |
|---|---|---|---|---|---|---|---|---|
| 32 | 0x20 | 57 | 9 | 0x39 | 82 | R | 0x52 | |
| 33 | ! | 0x21 | 58 | : | 0x3A | 83 | S | 0x53 |
| 34 | “ | 0x22 | 59 | ; | 0x3B | 84 | T | 0x54 |
| 35 | # | 0x23 | 60 | < | 0x3C | 85 | U | 0x55 |
| 36 | $ | 0x24 | 61 | = | 0x3D | 86 | V | 0x56 |
| 37 | % | 0x25 | 62 | > | 0x3E | 87 | W | 0x57 |
| 38 | & | 0x26 | 63 | ? | 0x3F | 88 | X | 0x58 |
| 39 | ‘ | 0x27 | 64 | @ | 0x40 | 89 | Y | 0x59 |
| 40 | ( | 0x28 | 65 | A | 0x41 | 90 | Z | 0x5A |
| 41 | ) | 0x29 | 66 | B | 0x42 | 91 | [ | 0x5B |
| 42 | * | 0x2A | 67 | C | 0x43 | 92 | \ | 0x5C |
| 43 | + | 0x2B | 68 | D | 0x44 | 93 | ] | 0x5D |
| 44 | , | 0x2C | 69 | E | 0x45 | 94 | ^ | 0x5E |
| 45 | – | 0x2D | 70 | F | 0x46 | 95 | _ | 0x5F |
| 46 | . | 0x2E | 71 | G | 0x47 | 96 | ` | 0x60 |
| 47 | / | 0x2F | 72 | H | 0x48 | 97 | a | 0x61 |
| 48 | 0 | 0x30 | 73 | I | 0x49 | 98 | b | 0x62 |
| 49 | 1 | 0x31 | 74 | J | 0x4A | 99 | c | 0x63 |
| 50 | 2 | 0x32 | 75 | K | 0x4B | 100 | d | 0x64 |
| 51 | 3 | 0x33 | 76 | L | 0x4C | 101 | e | 0x65 |
| 52 | 4 | 0x34 | 77 | M | 0x4D | 102 | f | 0x66 |
| 53 | 5 | 0x35 | 78 | N | 0x4E | 103 | g | 0x67 |
| 54 | 6 | 0x36 | 79 | O | 0x4F | 104 | h | 0x68 |
| 55 | 7 | 0x37 | 80 | P | 0x50 | 105 | i | 0x69 |
| 56 | 8 | 0x38 | 81 | Q | 0x51 | 106 | j | 0x6A |
ASCII to Hex Calculator
This ASCII to hexadecimal calculator offers a fast, accurate way to encode characters. Whether you’re working on web development, cryptography, debugging, or embedded systems, converting text to hexadecimal is an essential task.
Just type your ASCII characters, hit Convert, and view the hexadecimal output in real-time.
FAQs
1. Is ASCII the same as hex?
No. ASCII is a character encoding system; hexadecimal is a number format used to represent ASCII values.
2. Why convert ASCII to hex?
It’s used in encoding data, debugging, and communication protocols like HTTP and SMTP.
3. What is 0x41 in ASCII?
0x41 is the hexadecimal value for uppercase letter “A”.
4. Can spaces and symbols be converted?
Yes. Every character, including spaces and punctuation, has an ASCII code and a corresponding hex value.
5. Is this conversion case-sensitive?
Hex values are typically uppercase, but both cases are valid.
6. How accurate is the conversion?
100% accurate when the input is valid ASCII characters.
7. Can I convert back from hex to ASCII?
Yes! Use a Hexadecimal to ASCII Converter for reverse conversion.
