Pipe Volume Calculator
Calculate pipe internal volume, gallons, liters, and liquid weight online. Free plumbing and civil engineering pipe capacity calculator with standard NPS sizes.
Rebar Calculator
Estimate reinforcing steel rebar lengths, grid spacing, overlap splices, tonnage, and tie wire for reinforced concrete. 100% free and private browser utility.
Residential Manual J HVAC Heating & Cooling Load Calculator
Calculate heating and cooling BTUs, AC system tonnage, sensible/latent heat gain, and ductwork CFM based on square footage, climate zone, and insulation.
Retaining Wall Block & Geogrid Calculator
Calculate segmental retaining wall blocks, cap stones, base gravel, drainage stone, perforated drain tile, and geogrid reinforcement layers.
Retaining Wall Calculator
Compute segmental retaining wall concrete blocks, buried base course, top cap units, geogrid reinforcement, and drainage gravel.
Roof Pitch Calculator
Find roof slope pitch ratios (rise/12), angle degrees, rafter slope factor multipliers, and true surface area. Free, private, and simple to use in your browser.
Roof Shingle, Underlayment & Ridge Cap Calculator
Calculate roof squares, pitch multipliers, architectural shingle bundles, synthetic underlayment, ice & water shield, and ridge cap linear feet.
Room Air Volume & Ventilation CFM Calculator
Calculate room cubic feet (cu ft) and cubic meters (m3) for flat, vaulted, and cathedral ceilings, and determine required ventilation CFM based on air changes (ACH).
Sand Quantity Calculator
Calculate sand volume in cubic yards, tons, and bags online. Free construction sand calculator for pavers, concrete mixes, masonry mortar, and sandboxes.
Siding Calculator
Determine exterior siding squares (100 sq ft), plank counts, trim channels, outside/inside corner posts, and gable end takeoff.
Spread & Pier Footing Concrete Calculator
Calculate concrete volume, Sonotube pier counts, spread footing soil contact pressure (PSF), rebar dowels, and frost line depth compliance.
Stair Calculator
Calculate IBC/IRC compliant stair stringers, total rise and run, riser heights, tread depths, stair angle, and stringer board lengths.
Stair Stringer Layout & Cut Calculator
Calculate stair risers, exact unit rise and tread run, stringer lumber length (2x12), stringer throat depth, and IRC/IBC building code compliance.
Stormwater Drainage & Culvert Pipe Sizing Calculator
Calculate peak stormwater runoff (Rational Method Q = CIA), culvert pipe diameter (Manning equation), flow velocity, and rip-rap erosion protection.
Structural Beam Load & Deflection Calculator
Calculate maximum bending moment, shear force, and deflection (L/360, L/240) for wood, steel, and LVL beams under distributed and point loads.
Structural Column & Post Buckling Calculator
Calculate Euler critical buckling load, slenderness ratio (KL/r), radius of gyration, and safe axial compressive capacity for wood posts, steel pipes, and columns.
Tile Calculator
Estimate ceramic, porcelain, and subway tile cartons, thin-set mortar bags, and grout pounds by joint width. Free, private, and simple to use in your browser.
Tile Quantity Calculator
Calculate tiles needed for floors, walls, and showers online. Free tile calculator with layout pattern waste allowances, carton counts, and grout volume.
Tile, Thin-Set Mortar & Grout Coverage Calculator
Calculate tile quantities, carton counts, ANSI grout weight (lbs and 25lb bags), and thin-set mortar bags based on trowel notch size and joint width.
Ultimate & Allowable Soil Bearing Capacity Calculator
Calculate Terzaghi ultimate and allowable soil bearing capacity (PSF and kPa) for continuous, square, and circular footings. Free and secure tool by Toolzyo.
Wallpaper Calculator
Calculate exact single and double wallpaper roll counts factoring room perimeter, ceiling height, and pattern repeat drops.
No tools found
No tools match your current search query or filter. Try a different search term or reset your filters.