单位转换
即时、私密且免费
Binary Converter.
Convert binary values to supported number bases.
输入数值
输入时结果会更新。
Use Cases
Programming and Debugging
Quickly convert between number systems when working with low-level code, memory addresses, or bitwise operations.
Example: Convert 0xFF (hex) to decimal (255) for a color code.
Educational Practice
Verify manual conversions or learn how different bases represent the same value.
Example: Check that binary 1101 equals decimal 13.
Frequently Asked Questions
- How do I convert a binary number to decimal?
- Select 'BINARY' in the 'Convert from' dropdown, enter your binary number (e.g., 1010), then choose 'DECIMAL' in the 'Convert to' dropdown. The result will show the decimal equivalent.
- Can I convert from hexadecimal to octal?
- Yes. Choose 'HEXADECIMAL' as the source base and 'OCTAL' as the target base. Enter your hexadecimal value (e.g., 1F) and the tool will output the octal representation.
- What bases does this converter support?
- It supports binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). You can convert between any of these four bases.
Tips & Common Mistakes
Tips
- Ensure the input number is valid for the selected source base (e.g., only 0-1 for binary, 0-7 for octal).
- For hexadecimal, you can use uppercase or lowercase letters (A-F).
- If you need to convert a negative number, consider using a two's complement representation, but this tool assumes unsigned integers.
- Double-check your input for leading zeros; they are allowed but do not affect the value.
Common Mistakes to Avoid
- Entering digits that are not valid for the selected base (e.g., using '2' in binary).
- Forgetting to select the correct 'Convert from' base, leading to unexpected results.
- Assuming the output is in decimal when you selected a different target base.
Last updated: August 13, 2026