Number Base Converter
Convert a whole decimal number to another base from 2 to 36.
Inputs
Number Base Converter
Results update as you type.
Live result
Converted value
FF
Decimal value
255
Scenario compare
Save scenario A, change a few inputs, then save scenario B.
Scenario A
Not saved yet
Scenario B
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Quick check
Change one or two inputs to compare a second scenario before using the number.
Need more detail?
Formula, examples, and FAQ stay tucked away until you need them.
FXFormula ExplanationThe core logic behind the numbers on this page.+
The conversion process involves dividing the decimal number by the target base and taking the remainder as the next digit in the new base. This process is repeated until the quotient is less than the base, at which point the remainders are read in reverse order to produce the final result. The result is a representation of the original number in the target base.
USEHow to UseA short path from input to result.+
- Enter the requested inputs.
- Keep any editable rule or rate fields aligned with your situation.
- Review the result and notes before using the estimate.
EXExamplesReference scenarios to sanity-check your inputs.+
Adjust the defaults to match your scenario, then calculate the estimate.
FAQFAQCommon edge cases and quick clarifications.+
What bases can I convert to?
You can convert to any base from 2 to 36, including binary, hexadecimal, octal, and more.
How do I use this calculator?
Simply enter the decimal number you want to convert, select the target base, and click the calculate button.
Can I change the assumptions?
Yes, you can edit the rate and rule fields to match your specific situation.
Is this a reliable tool?
This tool provides a practical estimate, but it's essential to verify the results against official or current rules when making important decisions.