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Construction & Trades
Browse 93 working calculators for construction & trades. Every tool shows a live result, its calculation steps, and the sources behind the method.
Construction
92 calculators
Cement CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Concrete CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Applications CalculatorWorks out how much paint a job needs from the net paintable area (or room dimensions), the number of coats, the product coverage rate and a waste allowance, then converts that into tins, litres, US gallons and an installed cost.Gravel CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Mulch CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Concrete Floor CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Paint CalculatorWorks out how much paint a job needs from the net paintable area (or room dimensions), the number of coats, the product coverage rate and a waste allowance, then converts that into tins, litres, US gallons and an installed cost.Board Feet CalculatorTallies lumber: board feet from nominal thickness, width, length and piece count, linear feet from a piece list or a square-foot coverage, plus face area, true dressed volume and material cost.Board Foot CalculatorTallies lumber: board feet from nominal thickness, width, length and piece count, linear feet from a piece list or a square-foot coverage, plus face area, true dressed volume and material cost.Stair CalculatorLays out a straight flight of stairs: equal riser height from the total rise, tread count, total run, stringer length and cut angle, cut-stringer throat depth, the stairwell opening needed for headroom, and a check of each dimension against the code limits you are working to.Asphalt CalculatorWorks out the volume, weight and cost of asphalt for a paving job from the area and compacted depth, in metric or imperial units, with the mix density and any waste allowance as figures you supply.Dirt CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Pitched Roof CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Pool Capacity CalculatorWorks out swimming-pool volume in cubic feet, US gallons and litres for rectangular, round and oval pools, then doses salt, chlorine, alkalinity increaser, calcium hardness increaser or stabiliser to move the water from its measured level to a target.Rock CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Roofing Angles CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Topsoil CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Drywall CalculatorCounts the drywall (sheetrock / gypsum wallboard) panels a room needs from its dimensions or net area, then the screws, joint tape, joint compound and the installed cost at your own material and labour rates.Roofing CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Construction CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Flooring Tile CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Pool Salinity CalculatorWorks out swimming-pool volume in cubic feet, US gallons and litres for rectangular, round and oval pools, then doses salt, chlorine, alkalinity increaser, calcium hardness increaser or stabiliser to move the water from its measured level to a target.Stair Stringer CalculatorLays out a straight flight of stairs: equal riser height from the total rise, tread count, total run, stringer length and cut angle, cut-stringer throat depth, the stairwell opening needed for headroom, and a check of each dimension against the code limits you are working to.Stairs Stringer CalculatorLays out a straight flight of stairs: equal riser height from the total rise, tread count, total run, stringer length and cut angle, cut-stringer throat depth, the stairwell opening needed for headroom, and a check of each dimension against the code limits you are working to.Bag Concrete CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Block Concrete CalculatorCounts the concrete blocks, cinder blocks, CMUs or bricks a wall needs from its net area and the unit’s nominal module, then adds mortar joint volume, core-fill grout and material cost.Cinder Block Concrete CalculatorCounts the concrete blocks, cinder blocks, CMUs or bricks a wall needs from its net area and the unit’s nominal module, then adds mortar joint volume, core-fill grout and material cost.Cmu Block CalculatorCounts the concrete blocks, cinder blocks, CMUs or bricks a wall needs from its net area and the unit’s nominal module, then adds mortar joint volume, core-fill grout and material cost.Concrete Floor Cost CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Deck Board CalculatorCounts deck board rows by the exact-cover rule, joists at a chosen spacing, face screws or hidden clips, stock lengths and waste for a rectangular deck, with joist-spacing warnings from the IRC decking table.Drywall Install Cost CalculatorCounts the drywall (sheetrock / gypsum wallboard) panels a room needs from its dimensions or net area, then the screws, joint tape, joint compound and the installed cost at your own material and labour rates.Paver CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Sand CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Carpet Cost Installation CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Rug Installation Cost CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Sod CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Bathroom Remodeling Costs CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Bathroom Renovation Budget CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Brick CalculatorCounts the concrete blocks, cinder blocks, CMUs or bricks a wall needs from its net area and the unit’s nominal module, then adds mortar joint volume, core-fill grout and material cost.Linear Feet CalculatorTallies lumber: board feet from nominal thickness, width, length and piece count, linear feet from a piece list or a square-foot coverage, plus face area, true dressed volume and material cost.Linear ft CalculatorTallies lumber: board feet from nominal thickness, width, length and piece count, linear feet from a piece list or a square-foot coverage, plus face area, true dressed volume and material cost.Tank Capacity CalculatorComputes the capacity of a tank, cistern or aquarium in litres, US and imperial gallons, cubic feet and cubic metres for eight shapes, and the volume actually held at a measured fill depth.Tree Removal Cost CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Concrete Ready Mix CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Floor CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Garden Bed Dirt CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Garden Bed Soil CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Pea Gravel CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Rafter CalculatorCounts wall studs at 12, 16, 19.2 or 24 inches on centre with corner, intersection and opening allowances plus plate material, and computes common rafter length, count and cut angles from the roof pitch and span.Raised Garden Bed Soil CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Rebar CalculatorCounts the reinforcing bars a slab, footing or wall panel needs at a given spacing and cover, and totals the linear length, the weight in pounds and kilograms, the steel area per foot and the cost.River Rock CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Sherwin Williams Paint CalculatorWorks out how much paint a job needs from the net paintable area (or room dimensions), the number of coats, the product coverage rate and a waste allowance, then converts that into tins, litres, US gallons and an installed cost.Soil Raised Bed CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Aquarium Capacity CalculatorComputes the capacity of a tank, cistern or aquarium in litres, US and imperial gallons, cubic feet and cubic metres for eight shapes, and the volume actually held at a measured fill depth.Carpet CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Cost Painting Interior CalculatorWorks out how much paint a job needs from the net paintable area (or room dimensions), the number of coats, the product coverage rate and a waste allowance, then converts that into tins, litres, US gallons and an installed cost.Cost Tile Installation CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Grout CalculatorWorks out how much tile grout a job needs from the tiled area, the tile size, the joint width and the joint depth: the volume of grout, its weight at your product’s density, the number of bags and the coverage one bag gives.House Painting Cost Interior CalculatorWorks out how much paint a job needs from the net paintable area (or room dimensions), the number of coats, the product coverage rate and a waste allowance, then converts that into tins, litres, US gallons and an installed cost.How Many Gallons Are Pool CalculatorWorks out swimming-pool volume in cubic feet, US gallons and litres for rectangular, round and oval pools, then doses salt, chlorine, alkalinity increaser, calcium hardness increaser or stabiliser to move the water from its measured level to a target.Kitchen Remodel Cost CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Replace Window Cost CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Roof Shingle CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Rug CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Shingle CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Volume Fish Tank CalculatorComputes the capacity of a tank, cistern or aquarium in litres, US and imperial gallons, cubic feet and cubic metres for eight shapes, and the volume actually held at a measured fill depth.Cement Mix CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Concrete Cost CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Cost Home Addition CalculatorBuilds a project estimate from your own quantities and rates - materials with waste and tax, labour hours, equipment, subcontractors and permits - then applies overhead, profit and a contingency percentage to give the budget total.Cost Replace Roof CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Fill Soil CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Gravel Drive CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Landscape Rock CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Pentair Pool Volume CalculatorWorks out swimming-pool volume in cubic feet, US gallons and litres for rectangular, round and oval pools, then doses salt, chlorine, alkalinity increaser, calcium hardness increaser or stabiliser to move the water from its measured level to a target.Pool Chemical CalculatorWorks out swimming-pool volume in cubic feet, US gallons and litres for rectangular, round and oval pools, then doses salt, chlorine, alkalinity increaser, calcium hardness increaser or stabiliser to move the water from its measured level to a target.Rock Driveway CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Roof Sf CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Roof Shingle Square CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Roofing Square Feet CalculatorDerives roof pitch factor and slope angle, converts a building footprint into true roof area and roofing squares, and quantifies shingle bundles, underlayment, ridge cap, drip edge, fasteners and replacement cost.Stud CalculatorCounts wall studs at 12, 16, 19.2 or 24 inches on centre with corner, intersection and opening allowances plus plate material, and computes common rafter length, count and cut angles from the roof pitch and span.Weight Concrete CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Concrete Footing CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Concrete Sonotubes CalculatorComputes concrete volume in cubic feet, cubic yards and cubic metres for slabs, footings, walls, columns, stairs and curbs, then the bags, ready-mix loads, weight, cement/sand/aggregate split and cost that volume implies.Deck Stair CalculatorLays out a straight flight of stairs: equal riser height from the total rise, tread count, total run, stringer length and cut angle, cut-stringer throat depth, the stairwell opening needed for headroom, and a check of each dimension against the code limits you are working to.Framing CalculatorCounts wall studs at 12, 16, 19.2 or 24 inches on centre with corner, intersection and opening allowances plus plate material, and computes common rafter length, count and cut angles from the roof pitch and span.Laminate Floor Installation Cost CalculatorTurns a room measurement into a waste-adjusted purchase area and then into whole tiles, whole flooring packages, or a carpet and installation cost estimate from your own unit prices.Mapei Grout CalculatorWorks out how much tile grout a job needs from the tiled area, the tile size, the joint width and the joint depth: the volume of grout, its weight at your product’s density, the number of bags and the coverage one bag gives.Sand Pavers CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Shock Pool CalculatorWorks out swimming-pool volume in cubic feet, US gallons and litres for rectangular, round and oval pools, then doses salt, chlorine, alkalinity increaser, calcium hardness increaser or stabiliser to move the water from its measured level to a target.Ton Yard CalculatorConverts a covered area and spread depth - or a known tonnage, or a measured stockpile - into the volume of gravel, sand, topsoil, mulch, compost or decorative stone required, in cubic feet, cubic yards, cubic metres, bags, tons and tonnes, with a soil-blend split and cost by the yard, the ton or the bag.Music Venue Capacity CalculatorComputes the occupant load of a space from its floor area and the occupant load factor your adopted code assigns to that use, adds any fixed seating, and reports the egress width and number of exits the load implies.
Structural
1 calculator