Construction
Building materials, measurements, and construction calculations
Board Foot Calculator
Calculate board feet for lumber and timber measurements.
Cubic Yards from Length, Width, and Depth
Enter length L, width W, and height or depth H in feet.
Gallons per Square Foot Calculator
Calculate paint, coating, or liquid coverage per square foot.
Size to Weight Calculator
Calculate weight of rectangular objects based on dimensions and material.
Square Feet to Cubic Yards Calculator
Convert area measurements to volume in cubic yards.
Square Footage from Room Dimensions
Enter length L and width W in the same selected unit, feet or meters.
Square Yards Calculator
Convert and calculate area measurements in square yards.
Aluminum Weight Calculator
Calculate the weight of aluminum based on dimensions and shape.
Baluster Calculator
Calculate the number of balusters needed for your railing project.
Board and Batten Calculator
Calculate materials needed for board and batten siding installation.
Brick Calculator
Calculate the number of bricks needed for your construction project.
Decking Calculator
Calculate materials needed for deck construction including boards, joists, and fasteners.
Drywall Calculator
Calculate the number of drywall sheets and materials needed for wall and ceiling coverage.
Fire Glass Calculator
Estimate loose decorative fire glass for a gas fire pit or fireplace.
Framing Calculator
Calculate lumber and materials needed for wall framing and construction.
French Drain Calculator
Calculate materials needed for french drain installation including gravel and pipe.
Glass Weight Calculator
Calculate the weight of glass panels based on dimensions and thickness.
Gravel Volume, Weight, and Cost Estimator
Enter length L and width W in feet, depth D in inches, an assumed mass factor F in US short tons per yd³, and price P in dollars per short ton.
Limestone Calculator
Calculate the amount of limestone needed for construction and landscaping projects.
Log Weight Calculator
Calculate the weight of logs based on species, dimensions, and moisture content.
Lumber Calculator
Calculate the amount of lumber needed for construction projects based on dimensions and spacing.
Metal Weight Calculator
Calculate the weight of metal materials based on dimensions, shape, and metal type.
Pipe Weight Calculator
Calculate the weight of pipes based on dimensions, material, and specifications.
Plate Weight Calculator
Calculate the weight of metal plates based on dimensions, material, and thickness.
Rebar Length and Theoretical Mass Calculator
Calculate straight-bar length and theoretical mass, or count a rectangular grid using spacing supplied by your drawings. No structural design or spacing selection.
Retaining Wall Calculator
Calculate the face area and gross rectangular volume of a proposed retaining wall from dimensions you enter. Optionally compare a poured-concrete volume with your own price per cubic meter.
Rip Rap Calculator
Calculate the amount of rip rap stone needed for erosion control and landscaping projects.
River Rock Calculator
Calculate the amount of river rock needed for landscaping and drainage projects.
Rolling Offset Calculator
Calculate pipe offsets and angles for plumbing and construction projects.
Sand Volume and Weight from Metric Dimensions
Enter length L, width W, and depth D in meters, plus bulk density ρ in kg/m³.
Sealant Calculator
Estimate the amount of sealant required for your project.
Sonotube Calculator
Calculate concrete volume and dimensions for Sonotube forms.
Spindle Spacing Calculator
Calculate spindle count and clear gap for a chosen maximum in a flush-end layout.
Spiral Staircase Calculator
Explore one-turn spiral stair angles, rise, and a radial midpoint path.
Steel Plate Weight Calculator
Calculate the weight of steel plates based on dimensions and thickness.
Steel Weight Calculator
Calculate the weight of steel based on its shape and dimensions.
Stone Weight Calculator
Calculate the weight of stone materials for construction and landscaping.
Tile Calculator
Calculate the number of tiles needed for flooring or wall projects.
Tonnage Calculator
Calculate tonnage based on weight and volume measurements.
Vinyl Fence Calculator
Calculate materials needed for vinyl fence installation.
Vinyl Siding Calculator
Calculate materials needed for vinyl siding installation.
Wall Square Footage Calculator
Calculate the square footage of walls for painting or covering.
Cement Calculator
Calculate the amount of cement needed for concrete mix.
Concrete Volume and Bag Calculator for Rectangular Pours
Estimate concrete volume for a rectangular slab or footing and the number of 60 lb or 80 lb premix bags from its dimensions.
Concrete Block Calculator
Calculate the number of concrete blocks needed for a wall.
Concrete Block Fill Calculator
Calculate the amount of fill material needed for concrete blocks.
Concrete Column Calculator
Calculate the volume of concrete needed for columns.
Concrete Stairs Calculator
Explore straight-stair rise, run, tread depth, and endpoint diagonal.
Concrete Weight Calculator
Calculate the weight of concrete based on volume and concrete type.
Grout Calculator
Calculate the amount of grout needed for tile installation projects.
Hole Volume Calculator
Calculate the volume of holes or excavations for construction projects.
Mortar Calculator
Calculate the amount of mortar needed for masonry and brick projects.
Thinset Calculator
Calculate the amount of thinset mortar needed for tile installation.
Air Changes per Hour Calculator
Calculate a room airflow-to-volume ratio or airflow for a user-specified ACH target.
Room Air Conditioner BTU Chart Calculator
Estimate room AC capacity from the U.S. ENERGY STAR area chart, with its sunlight and occupancy adjustments. Covers 100–2,500 ft² and an 8-foot ceiling.
Arch Calculator
Calculate dimensions and parameters for architectural arches and curves.