Octal Converter

Convert octal numbers to decimal and binary.

Fill in the fields below to calculate

Octal (Base 8)

Decimal (Base 10)

Binary (Base 2)

Hexadecimal (Base 16)

Enter your values above to see the result.

Your Results

Conversion Results

Decimal

Binary

Hex

About This Calculator

Convert octal numbers to decimal and binary.

Everything is worked out in your browser as you type, so your figures never leave your device.

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Pro Tips

Results update as you type — change any field to see the effect immediately.

Check that every value uses the same unit before comparing results.

Use the copy button to paste the octal converter figures into a note or spreadsheet.

Nothing is sent to a server, so you can use this with private figures.