Construction Calculator Library

Construction Calculators

Use these calculators to estimate concrete, asphalt, pavers, roofing, framing, drywall, flooring, paint, drainage, stairs, ramps, tanks, and other common construction materials.

Constructions project scene with aggregate measurements and a calculator result panel

Reviewed: July 20, 2026

This library is designed for practical U.S. estimating: get the quantity first, then compare local supplier quotes in the same unit. Each calculator includes its formula, field notes, waste guidance, and links to related calculators and guides.

Aggregate measurement view showing the Cubic yards = Cubic feet / 27 formula context
Aggregate setup with measuring tools and unit inputs before calculation
Worked aggregate project example showing measurements and estimated result context
Aggregate best-practice check for waste, units and supplier confirmation

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Search all calculators by project, material, measurement, or result. Use the category filter to narrow the library without leaving this page.

Showing the complete calculator library.

Concrete and Masonry

Cement Calculator Estimate cement, concrete, or mortar volume for small pours and repairs. Concrete and Cinder Block Calculator Estimate concrete blocks for walls by wall size and block face dimensions. Concrete Block Fill Calculator Estimate grout or concrete fill volume for hollow block walls. Concrete Calculator Estimate concrete yards, bags, and slab cost from length, width, and thickness. Concrete Column Calculator Find concrete volume for round columns, piers, and drilled shafts. Concrete Cylinder Calculator Estimate concrete volume for round cylinders, posts, and piers. Concrete Footing Calculator Estimate concrete volume for continuous strip footings and grade beams. Concrete Slab Calculator Calculate concrete for slabs, pads, sheds, and garage floors. Concrete Stairs Calculator Estimate concrete volume for simple straight concrete steps. Concrete Tube Calculator Estimate concrete for Sonotube-style round forms. Concrete Weight Calculator Estimate concrete weight from dimensions and density. Grout Calculator Calculate grout bags for tile, masonry, and small repair joints. Mortar Calculator Estimate mortar bags for block, brick, stone, and repair work. Rebar Calculator Estimate rebar linear feet and 20-foot sticks for slabs. Sonotube Calculator Estimate concrete for round tube forms and pier forms. Thinset Calculator Estimate thinset mortar bags for tile floors, walls, and backsplashes.

Construction Converters

Cubic Yard Calculator Convert project dimensions into cubic feet, cubic yards, tons, and cost. Gallons per Square Foot Calculator Convert liquid depth over an area into gallons. Hole Volume Calculator Estimate circular hole volume for posts, piers, and excavations. Size to Weight Calculator Estimate weight from rectangular dimensions and material density. Square Feet to Cubic Yards Calculator Convert area and depth into cubic yards for bulk materials. Square Footage Calculator Calculate square feet, square yards, waste area, and material cost. Square Yards Calculator Calculate square yards, square feet, waste, and cost. Tonnage Calculator Convert cubic yards into tons using material density.

Driveway and Sitework

Asphalt Calculator Estimate hot-mix asphalt tons for driveways, parking pads, and patch work. Concrete Driveway Cost Calculator Estimate concrete driveway volume and rough material cost. French Drain Calculator Estimate gravel volume for a French drain trench. Gravel Driveway Calculator Calculate gravel tons and cubic yards for residential driveways. Paver Calculator Estimate pavers for patios, walkways, edging, and driveway bands. Paver Sand Calculator Estimate bedding sand under pavers by area and depth. Retaining Wall Calculator Estimate retaining wall blocks from wall length and height. Rip Rap Calculator Estimate rip rap volume and tons for erosion-control areas. Road Base Calculator Estimate aggregate base tons for roads, pads, and compacted subbase layers.

Framing and Woodwork

Baluster Calculator Estimate baluster count and clear spacing for railings. Board Foot Calculator Convert lumber dimensions into board feet. Board-on-Board Fence Calculator Estimate board-on-board fence sections from run length. Deck Stain Calculator Estimate stain gallons for decks, railings, and exterior wood. Decking Calculator Estimate deck boards from deck size, board width, board length, and gap. Fence Calculator Estimate fence posts or panels from total fence length and spacing. Fence Cost Calculator Estimate fence section count before applying local material pricing. Fence Picket Calculator Estimate pickets or vertical boards from fence length and spacing. Fence Post Depth Calculator Estimate post-hole concrete volume for fence and deck posts. Framing Calculator Estimate wall studs from wall length and spacing. Log Weight Calculator Estimate log weight from diameter, length, and wood density. Lumber Calculator Calculate board feet and material cost for lumber orders. Lumber Weight Calculator Estimate lumber weight from dimensions and wood density. Post Hole Concrete Calculator Estimate concrete bags for fence, deck, and mailbox post holes. Privacy Fence Calculator Estimate privacy fence sections from total fence length. Spindle Spacing Calculator Calculate spindle count and even spacing along a railing run. Vinyl Fence Calculator Estimate vinyl fence panels or posts from run length and spacing. Wood Fence Calculator Estimate wood fence posts, panels, or sections from total run length.

Home and Layout

AC Tonnage Calculator Estimate rough air conditioner tonnage from room area. Air Conditioner BTU Calculator Estimate cooling BTU for a room or small space. Fire Glass Calculator Estimate decorative fire glass volume for round fire pits. Floor Area Ratio Calculator Calculate floor area ratio from lot area and building floor area. Furnace Size Calculator Estimate rough heating BTU from area and climate factor. Heat Loss Calculator Estimate rough heat load for a room or small building area. Hoop House Calculator Estimate hoop house cover area and interior volume. Ladder Angle Calculator Estimate safe ladder base distance and ladder length from height and angle. Ramp Calculator Estimate ramp run, ramp length, and surface area from rise and slope ratio. Spiral Staircase Calculator Estimate basic step count and rise for spiral stair planning. Stair Calculator Estimate stair step count, run, and stringer length.

Materials and Specs

Material Comparison Calculator Compare aggregate tons, truckloads, material cost, delivery fees, and delivered total side by side. Aluminum Weight Calculator Estimate aluminum weight from dimensions and density. Beam Deflection Calculator Estimate simple beam deflection under uniform load. Beam Load Calculator Estimate simple beam reactions and bending moment for early planning. Bending Stress Calculator Estimate bending stress from moment and section modulus. Bolt Torque Calculator Estimate bolt torque from diameter, clamp load, and nut factor. Glass Weight Calculator Estimate glass panel weight from size and thickness. Metal Weight Calculator Estimate metal weight from length, width, thickness, and density. Pipe Weight Calculator Estimate pipe weight from outside diameter, wall thickness, length, and density. Plate Weight Calculator Estimate plate weight for steel, aluminum, glass, or stone panels. Steel Plate Weight Calculator Estimate steel plate weight from area and thickness. Steel Weight Calculator Estimate steel weight from rectangular dimensions. Stone Weight Calculator Estimate stone volume, tons, and cost from dimensions.

Roofing

Birdsmouth Cut Calculator Estimate rafter length inputs used before marking a birdsmouth cut. Gambrel Roof Calculator Estimate gambrel roof surface area from plan area and slope factor. Metal Roof Calculator Estimate metal roofing area and cost from plan size and slope factor. Metal Roof Cost Calculator Estimate metal roof area, roofing squares, and rough material cost. Rafter Length Calculator Estimate rafter length from horizontal run, rise, and overhang. Roof Pitch Calculator Convert rise and run into roof pitch, angle, and slope factor. Roof Shingle Calculator Estimate roofing squares and shingle bundles from roof dimensions. Roof Truss Calculator Estimate basic truss top-chord length from run and rise. Roofing Calculator Estimate roof area, roofing squares, and rough material cost. Snow Load Calculator Estimate roof snow weight from snow depth, density, and roof area.

Site Measurement

Arch Calculator Estimate basic arch curve length from span and rise. Grade Calculator Calculate grade percentage, slope ratio, and angle from rise and run. Miter Angle Calculator Calculate the basic miter cut angle from a corner angle.

Walls and Finishes

Board and Batten Calculator Estimate boards, battens, or panels from wall area. Brick Calculator Estimate bricks for walls, veneers, columns, and garden features. Carpet Calculator Estimate carpet square footage and square yards for rooms and hallways. Drywall Calculator Estimate drywall sheets for walls and ceilings. Epoxy Calculator Estimate epoxy coating quantity for floors, countertops, and tabletops. Flooring Calculator Estimate flooring boxes for laminate, vinyl plank, hardwood, or engineered flooring. Insulation Calculator Estimate insulation area, bags, and total R-value. Paint Calculator Estimate paint gallons for walls by area, coats, and coverage rate. Plywood Calculator Estimate plywood or OSB sheet count for floors, walls, roofs, and sheathing. Sealant Calculator Estimate sealant tubes from joint length, width, and depth. Shiplap Calculator Estimate shiplap boards from wall area and board coverage. Siding Calculator Estimate siding panels, squares, or boxes from wall area. Stair Carpet Calculator Estimate stair dimensions for carpet planning. Tile Calculator Calculate tile quantity by floor or wall area and tile coverage. Vinyl Siding Calculator Estimate vinyl siding squares, boxes, and cost from wall area. Wainscoting Calculator Estimate wall panel area for wainscoting, board-and-batten, or feature walls. Wall Square Footage Calculator Calculate wall area for paint, siding, paneling, and wallcoverings. Wallpaper Calculator Estimate wallpaper rolls from wall area and roll coverage.

Water and Utility

Air Changes per Hour Calculator Calculate air changes per hour from room size and airflow. CFM Calculator Estimate airflow in cubic feet per minute from room volume and target ACH. Fire Flow Calculator Estimate water flow from volume and time. Gallons Per Minute Calculator Calculate gallons per minute from volume and time. Liters per Minute Calculator Convert gallons per minute to liters per minute for water planning. Pipe Volume Calculator Calculate water volume inside a pipe from diameter and length. Pond Calculator Estimate pond volume from diameter and average depth. Pool Volume Calculator Estimate pool water volume in gallons. Round Pool Volume Calculator Estimate round pool volume in gallons. Tank Volume Calculator Estimate round tank volume in cubic feet and gallons.