What number bases does this converter support?

This converter supports four number bases: binary (base 2, digits 0-1), octal (base 8, digits 0-7), decimal (base 10, digits 0-9), and hexadecimal (base 16, digits 0-9 and A-F). These are the most common bases used in computing.

How does binary to decimal conversion work?

Each binary digit represents a power of 2. Starting from the rightmost digit, multiply each bit by its positional value (1, 2, 4, 8, 16...) and sum the results. For example, binary 1101 = 1×8 + 1×4 + 0×2 + 1×1 = 13 in decimal.

Is this tool free to use?

Yes. This tool runs entirely in your browser with no account required. Your data never leaves your device.

Can I use this for commercial projects?

Yes, absolutely. The converted values are standard number representations that you can use in any project, commercial or personal. There are no usage restrictions or attribution requirements.

Does this work on mobile?

Yes. The tool is fully responsive and adapts to any screen size, from phones to desktops. All conversion logic runs in your browser, so it works offline once the page has loaded.

Binary to Decimal Converter

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly.

Input Base

Enter Binary (Base 2) Number

About This Tool

A number base converter that translates values between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Useful for programmers debugging bitwise operations, networking engineers working with subnet masks, and students learning number systems. Runs entirely in the browser with no external dependencies.

What you provide

A number in any supported base (binary, octal, decimal, or hexadecimal)

What you get

The equivalent value in all four number bases simultaneously

How to Use

Select the input base (binary, octal, decimal, or hexadecimal).
Type or paste your number into the input field.
View the converted values in all four bases instantly.

Frequently Asked Questions

What number bases does this converter support?: This converter supports four number bases: binary (base 2, digits 0-1), octal (base 8, digits 0-7), decimal (base 10, digits 0-9), and hexadecimal (base 16, digits 0-9 and A-F). These are the most common bases used in computing.
How does binary to decimal conversion work?: Each binary digit represents a power of 2. Starting from the rightmost digit, multiply each bit by its positional value (1, 2, 4, 8, 16...) and sum the results. For example, binary 1101 = 1×8 + 1×4 + 0×2 + 1×1 = 13 in decimal.
Is this tool free to use?: Yes. This tool runs entirely in your browser with no account required. Your data never leaves your device.
Can I use this for commercial projects?: Yes, absolutely. The converted values are standard number representations that you can use in any project, commercial or personal. There are no usage restrictions or attribution requirements.
Does this work on mobile?: Yes. The tool is fully responsive and adapts to any screen size, from phones to desktops. All conversion logic runs in your browser, so it works offline once the page has loaded.

Learn More

Number Base Conversion: Binary, Hex, Octal, and Decimal

Learn how binary, hexadecimal, octal, and decimal conversions work. Covers positional notation, grouping shortcuts, and common pitfalls.

7 min read

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