Binary Converter
Convert binary numbers to decimal, hexadecimal, octal, and any base (2-36) using MiniWebtool’s Binary Converter. Get instant results with visual bit diagrams, step-by-step explanations, and grouped formatting for easy reading.
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Enter a binary number below to convert it to decimal, hex, octal or any base from 2 to 36, with the steps.
About Binary Converter
Welcome to the Binary Converter, a powerful free online tool that converts binary numbers to decimal, hexadecimal, octal, and any numeral base from 2 to 36. This tool provides instant results with visual bit diagrams, step-by-step conversion explanations, and grouped formatting for easy reading.
At a Glance
Binary Converter changes a binary number into decimal, hexadecimal, octal or any base from 2 to 36. It shows a bit-by-bit diagram and a step-by-step explanation of the conversion.
| Feature | What you get | Good for |
|---|---|---|
| Common bases | Converts a binary number to decimal, hexadecimal and octal in one run. | Checking one value across the usual number systems |
| Bases 2 to 36 | Convert to any other base from 2 to 36, not only the three common ones. | Unusual bases such as base 5 or base 32 |
| Input length | Accepts binary numbers of up to 128 digits using only 0 and 1. | Long values such as 64-bit integers |
| Nibble diagram | A visual diagram splits the bits into groups of 4, each with its hex and decimal value. | Seeing how 4-bit groups map to hex digits |
| Worked steps | A step-by-step breakdown shows how each bit contributes to the final value. | Students learning positional notation |
| Grouped output | Results use grouped number formatting for easier reading, with one-click copy. | Copying long results into code or notes |
What is a Binary Number System?
Binary is a base-2 numeral system that uses only two digits: 0 and 1. It is the fundamental language of computers and digital electronics. Each binary digit (called a "bit") represents a power of 2, and computers use binary because electronic circuits can easily represent two states: on (1) and off (0).
Common Number Systems Comparison
| Binary (2) | Decimal (10) | Hex (16) | Octal (8) |
|---|---|---|---|
| 0000 | 0 | 0 | 0 |
| 0001 | 1 | 1 | 1 |
| 0010 | 2 | 2 | 2 |
| 0011 | 3 | 3 | 3 |
| 0100 | 4 | 4 | 4 |
| 0101 | 5 | 5 | 5 |
| 0110 | 6 | 6 | 6 |
| 0111 | 7 | 7 | 7 |
| 1000 | 8 | 8 | 10 |
| 1001 | 9 | 9 | 11 |
| 1010 | 10 | A | 12 |
| 1011 | 11 | B | 13 |
| 1100 | 12 | C | 14 |
| 1101 | 13 | D | 15 |
| 1110 | 14 | E | 16 |
| Binary (2) | Decimal (10) | Hex (16) | Octal (8) |
|---|---|---|---|
| 1111 | 15 | F | 17 |
How to Convert Binary to Decimal
- Enter binary number: Type your binary number using only digits 0 and 1. You can enter up to 128 digits.
- Click Convert: Click the Convert button to process your binary number and see results in multiple bases.
- View primary results: See your binary number converted to decimal, hexadecimal, and octal with grouped formatting for easy reading.
- Explore visual diagram: View the visual bit diagram showing each nibble (4 bits) with its corresponding hex and decimal value.
- Learn from step-by-step explanation: Understand the conversion process through detailed step-by-step breakdown showing how each bit contributes to the final value.
Binary to Hexadecimal Conversion
Converting binary to hexadecimal is straightforward because 16 is a power of 2 (16 = 24). Each hexadecimal digit corresponds to exactly 4 binary bits (a nibble):
Why Hexadecimal is Popular
- Compact representation: One hex digit replaces 4 binary digits
- Memory addresses: Computer memory locations use hex (e.g., 0x7FFFFFFF)
- Color codes: Web colors use hex (e.g., #FF5733 for orange-red)
- MAC addresses: Network hardware IDs use hex pairs (e.g., 00:1A:2B:3C:4D:5E)
- Assembly programming: Machine code instructions are often displayed in hex
Frequently Asked Questions
What is a binary number system?
Binary is a base-2 numeral system that uses only two digits: 0 and 1. It is the fundamental language of computers and digital electronics. Each binary digit (bit) represents a power of 2, and computers use binary because electronic circuits can easily represent two states: on (1) and off (0).
How do I convert binary to decimal?
To convert binary to decimal, multiply each binary digit by 2 raised to the power of its position (starting from 0 on the right), then sum all values. For example, 1011 in binary = 1×23 + 0×22 + 1×21 + 1×20 = 8 + 0 + 2 + 1 = 11 in decimal.
How do I convert binary to hexadecimal?
To convert binary to hexadecimal, group the binary digits into sets of 4 bits (nibbles) from right to left, padding with zeros if needed. Then convert each group to its hex equivalent (0-9 or A-F). For example, 11010110 becomes D6: 1101=D and 0110=6.
What is the relationship between binary and hex?
Hexadecimal and binary have a direct relationship because 16 is a power of 2 (16 = 24). Each hex digit represents exactly 4 binary bits. This makes hex a convenient shorthand for binary: instead of writing 16 binary digits, you can write just 4 hex digits. This is why programmers often use hex for memory addresses and color codes.
What is the maximum binary number this converter supports?
This converter supports binary numbers up to 128 digits long, which can represent extremely large values (up to 2128). This covers virtually all practical use cases including 64-bit integers, cryptographic values, and very large numbers.
Related Resources
- Binary Number - Wikipedia
- Hex Converter - Convert hexadecimal to other bases
- Binary Calculator - Perform binary arithmetic operations
- Decimal to Binary Converter - Convert decimal numbers to binary
Reference this content, page, or tool as:
"Binary Converter" at https://MiniWebtool.com/binary-converter/ from MiniWebtool, https://MiniWebtool.com/
by miniwebtool team. Updated: Jan 10, 2026
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