Octal to Decimal
Convert octal numbers into decimal. Enter one or more octal numbers separated by spaces and read the decimal values.
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About Octal to Decimal
This tool reads octal numbers and rewrites them in everyday base 10, which makes an octal value from a file permission or legacy system easy to understand.
Frequently Asked Questions
What digits are valid?
Octal uses only 0 through 7. Separate several numbers with spaces to convert them in one go.
Is there a limit on the size of the number?
No practical limit. Conversions use big integer math, so even very large numbers convert exactly. Separate multiple numbers with spaces.
About Matt George
I'm Matt George, a software engineer in the startup space. I run my own shop building software for early-stage founders, and I love making free tools and experiences that people actually use. Enjoy using Octal to Decimal!
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