Pallet Calculator is a free browser-based planning suite for warehouse, logistics, shipping, and small operations teams. Calculate cases per layer, TI-HI, stack height, total cases, pallet weight, cube, and 20 ft, 40 ft, and 53 ft container-capacity estimates. Compare straight, rotated, and mixed case layouts while keeping inputs, formulas, and assumptions visible. No account is required. It is a planning aid and does not replace engineering, carrier, or workplace-safety requirements.