Advanced Tank Calculator app for iPhone and iPad

Easy to use advanced tank calculator provides you with the advantage of access to thousands of tank charts at your fingertips. Calculate the capacity, length, volume of fluid stored, fluid % capacity, and ullage using either: the tanks actual capacity and diameter (when tank length is unknown) or by using the tanks length and diameter.
Metric or US customary units. Larger input units of feet or meters available. Tanks have to be level and cylindrical with either vertical or horizontal orientation.
Added bonus: store tank information for all of your tanks for repeat easy calculations. Categorize each tank by name and location.