Free Binary to Decimal Converter
Convert binary numbers to decimal instantly, with hexadecimal and octal alongside.
Long binary strings stay exact, and digits can be grouped in fours.
- Runs locally
- Enter a binary number
- Read the decimal value
- See hex and octal too
- Free
- No sign-up
- Runs in your browser
- No watermark
- Binary (2)
- 1111 1111
- Octal (8)
- 377
- Decimal (10)
- 255
- Hexadecimal (16)
- FF
- Base 36
- 73
Works with very large integers (BigInt). Prefixes 0x, 0b and 0o are accepted for their own base.
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Use cases
Where it helps
Quick answers
Open the page and get a result without installing an app.
Any computer
It works in a current browser on Windows, macOS, Linux or ChromeOS.
Nothing to clean up
Close the tab when you are done. PoYo keeps no copy.
Three steps
How to use Free Binary to Decimal Converter
Enter a binary number
Spaces and the 0b prefix are allowed.
Read the decimal value
Exact, even for very long numbers.
See hex and octal too
All bases update together.
Features
What this tool includes
Runs locally
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Enter a binary number
Spaces and the 0b prefix are allowed.
Read the decimal value
Exact, even for very long numbers.
See hex and octal too
All bases update together.
PoYo
Need a new image or video?
These free tools work on files you already have. To create an image, video or audio from a description, open a PoYo generator.
Free Binary to Decimal Converter FAQ
Do I need an account?
No. Open the page and use it.
Is what I enter sent anywhere?
This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.
Does it cost anything?
No. It is free and does not use PoYo credits.
Can I use it on my phone?
Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.
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Convert binary numbers to decimal instantly, with hexadecimal and octal alongside. Long binary strings stay exact, and digits can be grouped in fours.