Construction & Home Project Calculators
35 free calculators for concrete, gravel, landscaping, framing and more. No account needed to get your answer.
Measurement
Area, volume and linear footage basics.
Square Footage Calculator
Calculate area for rectangles, triangles, circles and multi-room projects.
Square Feet Calculator
Calculate square feet for rectangles, triangles, circles and multi-room projects.
Cubic Yard Calculator
Convert length, width and depth into cubic yards for any bulk material.
Linear Foot Calculator
Add up multiple runs into a total linear footage, with waste allowance.
Concrete
Slabs, footings, blocks and rebar.
Concrete Block Calculator
Estimate concrete blocks and mortar for a wall, minus openings.
Concrete Slab Calculator
Estimate concrete for a slab in cubic yards and pre-mixed bags.
Concrete Calculator
Estimate concrete for slabs, footings or columns in cubic yards.
Rebar Calculator
Estimate rebar bars and 20ft sticks for a slab grid layout.
Landscaping & Materials
Gravel, dirt, topsoil, sand and stone.
Gravel Calculator
Estimate gravel, crushed stone or rock needed by cubic yard and by ton.
Dirt Calculator
Estimate fill dirt for grading, excavation and backfill projects.
Topsoil Calculator
Estimate topsoil for lawns, gardens and raised beds.
Sand Calculator
Estimate sand for paver base, play areas or fill by cubic yard and ton.
Stone Calculator
Estimate landscaping stone including flagstone, river rock and rip rap.
Soil Yard Calculator
Estimate cubic yards of garden or fill soil needed for your project.
Crusher Run Calculator
Estimate crusher run gravel for driveways and base compaction.
Limestone Calculator
Estimate crushed limestone for driveways, paths and base layers.
Mulch Calculator
Estimate mulch for garden beds by cubic yard and by bag.
Retaining Wall Calculator
Estimate retaining wall blocks and base gravel by wall length and height.
Rock Calculator
Estimate landscaping rock by cubic yard and by ton for any rock type.
Pea Gravel Calculator
Estimate pea gravel for paths, play areas and ground cover.
River Rock Calculator
Estimate river rock for borders, dry creek beds and drainage features.
Framing & Roofing
Rafters, roof pitch and lumber.
Rafter Calculator
Find rafter length from building width, pitch and overhang.
Roof Pitch Calculator
Convert rise and run into pitch notation, angle and slope percent.
Roofing Calculator
Estimate roofing squares and shingle bundles from building dimensions and pitch.
Board Foot Calculator
Calculate board feet and lumber cost from thickness, width and length.
Insulation Calculator
Estimate insulation bags needed by area and R-value for walls or attics.
Site & Paving
Asphalt, fencing and general materials.
Interior Finishing
Paint, drywall, tile and mulch for interior and finishing work.
Paint Calculator
Estimate paint gallons needed for a room, minus doors and windows.
Tile Calculator
Estimate tiles and boxes needed for a floor or wall, with waste allowance.
Drywall Calculator
Estimate drywall sheets and joint compound for walls and ceilings.
Wallpaper Calculator
Estimate wallpaper rolls needed for a room, minus doors and windows.
Exterior & Outdoor
Siding, decking and other outdoor building materials.
Siding Calculator
Estimate siding squares needed for exterior walls, minus doors and windows.
Decking Calculator
Estimate deck boards and screws needed from deck length and width.
Deck Calculator
Estimate deck boards and screws needed from deck length and width.