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Calkulon

建設・建築 計算機

Electrical (NEC 2023), plumbing, HVAC (ASHRAE 62.1), structural, carpentry, masonry, and finishing trade calculators for contractors and estimators.

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個の計算機

Structural & Carpentry

Beam load, concrete mix (ACI 318), rebar, brick count, board feet, roof pitch, framing, and finishing material calculators for contractors.

35個の計算機

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