Calculators
Handy tools and converters — more added over time
Beers Per Beer
Slide any pour to standard beers live, then log the night and watch your estimated BAC curve against the driving limits.
Pleated Filter
Predict pressure drop, optimal pleat count, and fractional efficiency for a pleated air filter (Sothen & Tatarchuk 2009).
Carton Packing Optimizer
Design the best small set of carton sizes for your products, tile them onto pallets, and write supplier-ready box specs.
Machine Vision Pleat Counting
Photograph a filter panel and the browser finds the face, corrects perspective, and reports pitch, pleats per foot, and open area.