a1Apps Imperial Units Calculator app for iPhone and iPad

Calculate lengths, areas, simple volumes, and hypotenuses in imperial units of measure (feet and inches). This Imperial Units Calculator includes an estimating function. Set the unit cost, calculate a length, area, volume, or hypotenuse, and the calculator displays the estimated cost.

Imperial lengths: inches, feet, yards, miles
Imperial areas: square inches, square feet, square yards, square miles, acres
imperial volumes: cubic inches, cubic feet, cubic yards

Input distances using imperial units and including fractions or their decimal equivalents (1/8 or .125 for example).