Stavební Řemesla Kalkulačky
Electrical (NEC 2023), plumbing, HVAC (ASHRAE 62.1), structural, carpentry, masonry, and finishing trade calculators for contractors and estimators.
Construction errors are expensive. Calkulon's trades calculators compute concrete volume with waste allowances, calculate lumber requirements from structural spans, estimate electrical load from circuit specifications, and project roofing material needs by pitch and area. Each tool cites the relevant building-code formula.
Electrical & Plumbing
Wire gauge (NEC 2023), circuit load, conduit fill, pipe sizing, BTU, duct sizing, and HVAC calculators. Verify results with a licensed professional.
35 kalkulaček
Structural & Carpentry
Beam load, concrete mix (ACI 318), rebar, brick count, board feet, roof pitch, framing, and finishing material calculators for contractors.
35 kalkulaček