All Calculators
Choose a category to find the calculator you need
Concrete Calculators
Calculate concrete volume, weight, and material requirements
BTU Calculators
Calculate heating and cooling requirements
Square Footage Calculators
Calculate area and square footage
Stair Calculators
Calculate stair dimensions and materials
Roofing Calculators
Calculate roofing materials and costs
Tile Calculators
Calculate tile quantities, grout, and installation costs
Mulch Calculators
Calculate mulch volume, weight, and material costs
Gravel Calculators
Calculate gravel volume, weight, and costs
Rebar Calculators
Calculate rebar quantities, weight, and spacing
Drywall Calculators
Calculate drywall sheets, materials, and costs
Insulation Calculators
Calculate insulation R-value, quantity, and costs
Brick Calculators
Calculate brick quantities, mortar, and costs
Cinder Block Calculators
Calculate CMU block quantities, mortar, and walls
Deck Calculators
Calculate deck boards, joists, footings, and costs
Fence Calculators
Calculate fence posts, boards, concrete, and costs
Paint Calculators
Calculate paint quantities, costs, and coverage
Wallpaper Calculators
Calculate wallpaper rolls, coverage, and costs
Flooring Calculators
Calculate flooring materials and costs
Soil & Topsoil Calculators
Calculate soil volume, bags, weight, and costs
Paver Calculators
Calculate paver quantities, base, sand, and costs
Asphalt Calculators
Calculate asphalt volume, weight, and costs
Plumbing Calculators
Calculate pipe volume, flow rate, drain sizing, and weight
Electrical Calculators
Calculate circuit load, wire size, voltage drop, and amperage
Joist & Beam Calculators
Calculate joist spans, beam capacity, spacing, and load limits
Roof Pitch Calculators
Calculate roof pitch, rafter length, angles, and pitch conversions
Area & Volume Calculators
Calculate areas and volumes for circles, triangles, cylinders, spheres, and rooms
Slope & Grade Calculators
Calculate slopes, grades, ramp dimensions, and drainage requirements