No more carrying around a laptop or relying on access to a desktop computer, or memorizing complex formulas, you can now get the calculations you need right from your iPhone.

--Shared Formula Values & Results

Values from any calculator inputs or result values are shared across all calculators, whats that mean? simple if you use the compression ratio calculator and input a 3.750 stroke in the calculator, and then go to use the cubic inches calculator it will already has the stroke set to 3.750.

--18 Of the most Common Formulas
--Engine Formulas--
Swept Volume Compression Ratio
Cubic Inches
Rod Length
Rod Ratio
Piston Speed (ft./min.)
Compression Height
Boosted Compression Ratio

-- Horsepower Formulas--
Simple Horsepower
Boosted Horsepower
Torque
Corrected Base Horsepower (@ Altitude)

--MPH, RPM, Gears & Tires--
Miles Per Hour
Revolutions Per Minute
Pinion Gear Ratio
Overall Gear Ratio

--Flow Rate Formulas--
Required Carburetor CFM
Fuel Injector Sizing
Fuel Flow

Got a formula you would like to see in our next release?, visit the support website and send us the formula details through our contact form and if accepted we will include it in a future release.