โ Math
Binary to Decimal Converter
Binary is base two, so each digit position represents a power of two. A single hexadecimal digit maps exactly to four binary digits, which is why hex is the compact shorthand for binary.
How it works
Binary number
Decimal
Hexadecimal
Octal
Bits
Bytes
Frequently asked questions
How do I use the Binary to Decimal Converter?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.