Conversor de Binário para Decimal Grátis
Converta números binários para decimal de forma instantânea. Ferramenta gratuita de conversão numérica.
Valor Decimal
21
Formula
Binary to Decimal Converter
How It Works
Each binary digit (bit) represents a power of 2. From right to left:
Multiply each bit by its place value and sum all the results.
Exemplo Resolvido
Convert binary 00010101 to decimal.
- 010×128 + 0×64 + 0×32 + 1×16 + 0×8 + 1×4 + 0×2 + 1×1
- 02= 0 + 0 + 0 + 16 + 0 + 4 + 0 + 1
- 03= 21 in decimal
Perguntas Frequentes
What is binary?
Binary is a base-2 number system that uses only two digits: 0 and 1. It is the fundamental language of computers.
How do I read a binary number?
Read each digit from right to left. Each position represents a power of 2 (1, 2, 4, 8, 16, ...). Add up the values where the digit is 1.
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