Binary to Decimal
Convert binary numbers to decimal
Binary (base 2)
0b1010
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Octal (base 8)
0o12
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Decimal (base 10)
10
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Hexadecimal (base 16)
0xA
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Step-by-step (binary → decimal)
0×20 + 1×21 + 0×22 + 1×23 = 10
About Binary to Decimal
Convert binary numbers to decimal, hex, and octal. See step-by-step conversion with explanation.
Frequently Asked Questions
How do I convert binary 1010 to decimal?
1010 in binary = 1×8 + 0×4 + 1×2 + 0×1 = 10 in decimal.