Binary Calculator
Base-2 arithmetic plus the bitwise ops systems people actually use.
Binary (base 2)
1101
Octal (base 8)
15
Decimal (base 10)
13
Hexadecimal (base 16)
D
How the Binary Calculator works
The calculation follows the standard method used across the US — no shortcuts, no hidden assumptions. Here is exactly what happens behind the scenes:
Frequently Asked Questions
How does the Binary Calculator work?
Enter your numbers above and results update instantly using standard formulas, computed entirely on your device.
Is the Binary Calculator free to use?
Yes — completely free with no signup required, and it works on phones, tablets, and desktops.
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