Qonvert is an Android app available on Google Play, F-Droid and Uptodown. It is free, contains no ads, collects or shares no personal data, and needs no special permissions.
- Practically unlimited size and precision
- Converting between bases 2 to 280, negative 2 to 280, and the golden ratio base
- Converting rational numbers between positional notation (including repeating digits) and fractions (including mixed, improper, continued and Egyptian fractions)
- Converting between minus (-3) and complement notation (FFFFFFFD)
- Converting to and from degrees, minutes and seconds
- Balanced numeral systems such as balanced ternary up to base ±259
- Bijective numeration
- Greek (Milesian) numerals
- Roman numerals including unciae (twelfths)
- Unicode characters
- Playing musical intervals with a given frequency ratio
- Highly customizable, including light and dark colour schemes
➤ See the app’s help pages for more information (also in German).
