Recipe Cost Calculator: Ingredients, Servings and Profit
Calculate ingredient cost, scaled batch cost, cost per serving, labor, overhead, packaging, menu-price targets and gross profit.
Piston Speed Calculator: Mean, Peak, RPM and Stroke
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.
Carburetor CFM Calculator: Engine Size, RPM and VE
Calculate carburetor airflow from engine displacement, RPM and volumetric efficiency, or solve supported displacement and required VE.
Deck Footing Calculator: Concrete, Bags and Bearing Area
Estimate concrete volume, cubic yards, full bags, weight and cost for deck footings, with an optional bearing-area comparison using supplied project values.
Concrete Triangle Calculator: Yards, Bags and Cost
Calculate triangular concrete area, volume, cubic yards, full bags, weight, truck loads and cost from multiple triangle measurements.