The ConcreteCalc Pro concrete calculator for your Android Smartphone is built with the same features and functions, and the same core engine that powers the industry-standard advanced construction-math and concrete calculators from Calculated Industries. And while perhaps obvious, if you change from an Android device to an iPhone or iPad, you WILL need to buy a new license as they are incompatible. No learning curve on this calc. just one powerful, easy-to-use concrete calculator app, giving you the power to calculate square-ups, loads, area, volume, rebar, drops and stairs. This concrete calculator even finds the number of bags of concrete / cement required for small jobs. An ideal calculator for Concrete & Cement, Masonry, Estimating and Paving Professionals:- Work directly in and convert between all building dimensional formats: yards, feet-inch-fractions, inch fraction, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm) - Easily calculate areas, volumes and weight per volume, truck loads of concrete- Rebar quantity solutions- Calculator finds instant square-up and drop for perfect layout- Reduce material waste and cut estimate timeDimensional Math and Conversions Built into this Concrete Calculator- Yards- Feet-Inch-Fractions- Metric (m, cm, mm) - Decimal Feet (10ths, 100ths), Decimal Inches - D. M. S. to Decimal Degree Conversions. Concrete Calculator Contains Built-in Area and Volume Solutions- Length, Width, Height (Depth) keys - Square and Cubic formats- Column/Cone Area and Volume- Instant Weight per Volume; Pounds, Tons, Kilograms or Metric Tons. Blocks - FootingsDedicated Functions and Keys Help You Solve- Instant Square-up and Drop - Complete Stair calculations: - Risers- Treads- Stringers - Incline Angle- Rebar: - Total Linear Feet - Calculate Weight for Rebar Sizes- Store Rebar Sizes- Inset- On-center Spacing- Number of Loads: calculate the number of truck Loads based on Load size. Calculate number of bags for small jobs. Equal Sided Polygons- Board Feet of lumber for formsSpecial Functions- Haptic Feedback (optional) - Entry Editing Backspace Key - with a swipe of a finger- Cost per Unit: Solve unit cost and pricing- Paperless Tape- 4 Memories- User-Definable PreferencesMakes estimating easier for Contractors, Estimators, Concrete Pros & More.