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Instant result
Enter the data and press the button to do the calculation.
Online Calculator
Number base converter
Choose a source base and a destination base to convert integers.
Information
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Local processing
The values are processed directly in your browser.
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Free
No registration, external API or subscription required.
Frequently asked questions
Which number bases does it support?
Integer bases from 2 to 36.
What symbols do you use above base 10?
The letters A-Z represent the values from 10 to 35.
Does it support negative numbers?
Yes.
Is there a size limit?
Yes. The converted value must stay within JavaScript’s safe integer range.