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Instant result
Enter the data and press the button to do the calculation.
Online Calculator
Binary to decimal converter
Quickly convert between binary and decimal directly in your browser.
Information
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Local processing
The values are processed directly in your browser.
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Free
No registration, external API or subscription required.
Frequently asked questions
What is the binary system?
It is a base 2 numbering system that uses only the digits 0 and 1.
Can I convert decimal to binary?
Yes. The tool works in both directions.
What does 1010 mean in decimal?
1010 in binary is equivalent to 10 in decimal.
Is there a limit?
The tool works with integers within JavaScript’s safe integer range.