Binary Decimal Hex Converter
Convert between binary, decimal, hexadecimal, and octal number systems
Number System Reference
| Decimal | Binary | Hex | Octal |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 10 | 1010 | A | 12 |
| 16 | 10000 | 10 | 20 |
| 64 | 1000000 | 40 | 100 |
| 128 | 10000000 | 80 | 200 |
| 255 | 11111111 | FF | 377 |
| 1000 | 1111101000 | 3E8 | 1750 |
What is a Number System Converter?
A Number System Converter converts numbers between different bases: decimal (base 10), binary (base 2), hexadecimal (base 16), and octal (base 8). Essential for programmers and computer science students.
Common Uses
- Binary — used in computer hardware and logic circuits
- Hexadecimal — used in memory addresses and color codes
- Octal — used in Unix file permissions
- Decimal — standard human number system
Frequently Asked Questions
What is hexadecimal used for?
Hex is commonly used for color codes (#FF0000), memory addresses, MAC addresses, and hash values.
How do I convert decimal to binary?
Divide by 2 repeatedly and record remainders. The binary number is the remainders read from bottom to top.