Developer tools
Number base converter
Convert whole numbers between bases 2 to 36 exactly.
A clear answer. Here’s how.
Uses exact BigInt arithmetic. Supports signed whole numbers and digits 0–9, A–Z, with no prefix. Fractions and decimal points are not supported.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Whole number
- 255
- Input base (2–36)
- 10
- Output base (2–36)
- 16
Example result
FF