calcy treasure chest of featuresLove the calculators but not the ads?

Take a sneak peek at the Ad-Free Design being enjoyed by hundreds of members for less than 25¢ a week. Full details and a bonus!

Calculator Preferences
Decimal to Octal Converter Sign
Decimal to Octal Converter

This converter will instantly convert a base 10 number into its base 8 equivalent, plus display an interactive decimal to octal conversion chart showing how the converter computed the answer. The Learn tab includes:

  • What is an octal number?
  • How to convert decimal to octal, with example.
Learn More

Selected Data Record:

A Data Record is a set of calculator entries that are stored in your web browser's Local Storage. If a Data Record is currently selected in the "Data" tab, this line will list the name you gave to that data record. If no data record is selected, or you have no entries stored for this calculator, the line will display "None".

DataData recordData recordSelected data record: None
Decimal:Decimal:Decimal number (base 10):Decimal number (base 10):

Decimal number (base 10):

Enter the decimal (base 10) number you would like to convert into an octal number. Note that the entered number must be positive and may only consist of digits 0-9, a single decimal point, and the leading number must not be a zero. For numbers containing a decimal point, the converter will only convert out to the last digit entered.

Octal:Octal:Equivalent octal (base 8):Equivalent octal (base 8):

Octal (base 8) equivalent:

This is the octal equivalent to the entered decimal number. Note that after clicking the Convert Decimal to Octal button the converter will display a result summary and an interactive conversion chart below this line.

If you would like to save the current entries to the secure database, tap or click on the Data tab, select "New Data Record", give the data record a name, then tap or click the Save button. To save changes to previously saved entries, simply tap the Save button. Please select and "Clear" any data records you no longer need.

Feedback AppreciatedFeedback Greatly AppreciatedYour Feedback Would Be Greatly AppreciatedYour Feedback Is Greatly Appreciated


Help and Tools

Help and Tools:

This section, which you can Unstick or Hide in the Calculator Preferences (just above the top of the calculator), contains the following tabs (content too long to fit within bordered frame can be scrolled up and down):

About: Click this tab for an introduction to the calculator.

Instructions: Click this tab for step-by-step instructions for using the calculator.

Terms: Click this tab for a list of the descriptions that are located within each popup help button (info icons).

PCalc: Click this tab for a handy "pocket" calculator you can use when you need to calculate an entry needed for the calculator.

Data: Click this tab to save a set of entries or a note in between visits. Entries and notes will be stored to your web browser's local storage (if supported by your browser of choice), meaning they can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save entries and notes between devices you can do so by subscribing to the Ad-Free Member Version.



Add or remove this page to/from my favorites.