Decimal to Octal Converter
Convert decimal numbers to octal (base-8) instantly. Free online decimal to octal calculator with examples.
💡 Enter decimal → get octal. Example: "493" → "755".
How to Convert Decimal to Octal
Step-by-step guide with examples
What is Decimal to Octal Conversion?
Decimal to octal conversion transforms base-10 numbers into base-8 numbers using digits 0-7. Octal is used in Unix file permissions and some computing contexts.
How to Convert Decimal to Octal Step-by-Step
1. Divide the decimal number by 8. 2. Record the remainder. 3. Repeat with the quotient until it reaches 0. 4. Read remainders bottom to top. Example: 493 ÷ 8 = 61 R 5, 61 ÷ 8 = 7 R 5, 7 ÷ 8 = 0 R 7 → 755
Common Use Cases
• Unix/Linux file permissions (chmod values). • Legacy computing systems. • PLC and embedded system programming. • Number system education.
Frequently Asked Questions
2 common questions answered
Q1How to convert decimal to octal?
Q2What is decimal to octal conversion?
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