Online calculators → Octal To Binary → 121 Octal in Binary

121 Octal in Binary

Converting an octal number to binary without a calculator involves converting each octal digit to its 3-bit binary equivalent. Here's a step-by-step guide for octal number121:

Step 1: Convert Each Octal Digit to Binary

Convert each octal digit to its 3-bit binary equivalent:

1₈ = 001₂

2₈ = 010₂

1₈ = 001₂

Step 2: Write Down the Binary Digits

Write down the binary digits obtained from each octal digit:

121₁₆ = 001010001₂

So, the binary representation of the octal number 121 is 1010001.

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