Number Base Converter
Number Base Converter
Convert signed integers using digits 0–9 and letters A–Z.
How it works
Convert signed integers using digits 0–9 and letters A–Z.
Using this calculator
Enter signed integer, source base, destination base. parse and render an exact integer in bases 2–36.
What to keep in mind
Finite real numbers unless a complex or exact-integer result is specified. Outputs are rounded for display. Matrix calculations use floating-point arithmetic.
Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.