Automotive Calculations and Ground Transportation

Estimate an RV, camper or travel-trailer loan payment, amount financed, total interest, payoff with extra principal and recurring ownership costs.

Calculate a rating-based maximum loaded trailer estimate from GVWR, GCWR, tow rating, payload, hitch limits and tongue weight.

Calculate mean and exact peak piston speed from stroke, connecting-rod length and RPM, or solve the RPM or stroke required for a target mean speed.

Calculate carburetor airflow from engine displacement, RPM and volumetric efficiency, or solve supported displacement and required VE.

Calculate bicycle gear ratios, gear inches, development, gain ratio, speed at cadence and required cadence for each chainring and rear cog.