Decimal & Base Converter
Convert numbers between Decimal, Hexadecimal, Binary, and Octal bases
Free, fast, and privacy-friendly online number base converter
Conversion Result
Decimal:
Hexadecimal:
Binary:
Octal:
What is a Decimal/Base Converter?
Decimal/Base Converter is a free online tool that lets you instantly convert numbers between decimal, hexadecimal, binary, and octal systems. Whether you need to convert decimal to binary, hex to decimal, octal to binary, or any other combination, this tool makes it fast and easy. It's perfect for programmers, students, engineers, and anyone working with different number systems.
Why use this Number Base Converter?
- Convert between decimal, hexadecimal, binary, and octal in any direction
- Instant results and error checking
- Great for computer science, electronics, and math homework
- Mobile-friendly and privacy-focused
Supported Bases
- Decimal (Base 10): 0-9
- Hexadecimal (Base 16): 0-9, A-F
- Binary (Base 2): 0, 1
- Octal (Base 8): 0-7
How to use the Decimal/Base Converter
- Select the input and output bases (e.g., Decimal to Binary).
- Enter your number in the input field.
- Click Convert to see the result in all bases.
- Use Clear to reset the form.
Frequently Asked Questions
What is the difference between decimal, binary, octal, and hexadecimal?
Decimal is base 10 (0-9), binary is base 2 (0,1), octal is base 8 (0-7), and hexadecimal is base 16 (0-9, A-F). Each is used in different areas of computing and mathematics.
Can I convert negative numbers?
Yes, this tool supports negative numbers for all bases.
Is this tool free and private?
Yes! All conversions happen in your browser. No data is sent to any server.