Professional construction calculators for contractors, builders, and DIY enthusiasts. Calculate materials, costs, measurements, and project requirements accurately.
Professional insulation calculator with R-value analysis, multi-layer support, thermal performance metrics, and comprehensive material database for walls, ceilings, and floors.
Professional rebar calculation with 25+ sizes, real-time grid layout, weight analysis, and cost estimation. Calculate reinforcement requirements for slabs, foundations, and construction projects.
Calculate concrete volume and material requirements.
Calculate area in square feet for rooms, floors, and surfaces.
Calculate roofing materials needed for your roof project.
Calculate number of tiles needed for flooring projects.
Calculate stair dimensions including rise, run, and number of steps.
Calculate BTU requirements for heating and cooling systems.
Professional gravel calculator with 9 material types, real-time volume & weight calculations, cost estimation, and compaction analysis. Calculate gravel needed for driveways, pathways, and landscaping projects.
Professional topsoil calculator with real-time volume & weight calculations, multiple area shapes, bag estimator, bulk vs bagged cost comparison, and density options. Calculate topsoil needed for gardens, lawns, and landscaping projects.
Professional plywood calculator with sheet layout optimization, waste analysis, cost estimation, and standard sheet size presets. Calculate plywood sheets needed for floors, walls, roofs, and construction projects.
Professional board foot calculator with three calculation modes, real-time results, weight estimation, and comprehensive cost analysis. Calculate lumber quantities for construction, woodworking, and material ordering with contractor-grade accuracy.