Octal to Decimal Converter

Convert octal numbers (base-8) to decimal numbers (base-10) instantly.

Decimal Result:

493
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Understanding Octal to Decimal Conversion

Octal numbers are base-8 numbers that use digits from 0 to 7. Each position represents a power of 8, making them useful in computing and digital systems.

How to Convert Octal to Decimal

  1. Identify each digit's position from right to left (starting at position 0)
  2. Multiply each digit by 8 raised to its position
  3. Sum all the results to get the decimal number

Example: Converting 755₈ to Decimal

5 × 8⁰ = 5 × 1 = 5

5 × 8¹ = 5 × 8 = 40

7 × 8² = 7 × 64 = 448

Sum: 5 + 40 + 448 = 493₁₀