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: - Bit 0 = 2^0 = 1 - Bit 1 = 2^1 = 2 - Bit 2 = 2^2 = 4 - Bit 3 = 2^3 = 8 - Bit 4 = 2^4 = 16 - Bit 5 = 2^5 = 32 - Bit 6 = 2^6 = 64 - Bit 7 = 2^7 = 128 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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