Integer Base Converter
Integer Base Converter with stated conventions, validation and a worked example.
Formula
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations use standard floating-point arithmetic; exact integer and fraction tools identify their own precision rules.
- Exact BigInt conversion for signed integers in bases 2–36. Fractions and exponent notation are not supported.
Example Calculation
- Integer digits: ff
- Input base: 16
- Output base: 10
ff in base16 equals 255 in base10.
Frequently asked questions
How do I use this calculator?
Enter integer digits, input base, output base. The result updates automatically. Use Reset to restore the example values.
What method does it use?
Read place values in the input base and repeatedly divide by the output base.. Exact BigInt conversion for signed integers in bases 2–36. Fractions and exponent notation are not supported.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.