Decimal to Octal

Conversion

Convert a non-negative integer to octal.

Formula

Repeated division by 8; collect remainders (0–7) in reverse
  • 8 → 0o10; 64 → 0o100; 255 → 0o377.

Decimal to Octal Example

Inputs
  • Decimal Integer: 64

64 ÷ 8 → remainder 0, 8 → remainder 0, 1 → 100 (octal) = 0o100

Frequently asked questions

How do I use the Decimal to Octal?
Enter the value in the input field and the result updates immediately.
How accurate is this converter?
Uses internationally recognised conversion factors. Results are rounded to the displayed decimal places.
Can I verify this manually?
Yes — apply the formula shown above step by step.