Decimal to Octal Converter
Convert decimal (base 10) numbers to octal (base 8).
Octal
Decimal to octal, explained
Octal is the base-8 number system, using digits 0–7. Each octal digit maps to exactly three binary bits, which is why octal shows up in Unix file permissions (e.g. chmod 755). To convert, repeatedly divide by 8 and read the remainders bottom-up — so 64 becomes 100. Conversion runs entirely in your browser.
Private & free — this tool runs entirely in your browser.
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