Calculators » Conversion » Number Base » Octal and Decimal

Convert between Octal and Decimal

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert numbers in two different base under octal and decimal positional numeral systems.

Number in octal (base 8)

Number in decimal (base 10)

Enter the value you want to convert, and leave the target field blank.

Android: Use this base converter offline with our all-in-one calculator app.

Select different bases:

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