Concrete and Masonry calculators
Concrete, block, brick, mortar, rebar, pavers and retaining walls.
Showing 7 of 43 tools
Construction and Measurement
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Square Footage Calculator
Area of rectangles, triangles and circles in square feet, square yards or square metres, with optional cost.
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Cubic Yard Calculator
Convert length, width and depth into cubic yards or cubic metres for any bulk material.
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Board Foot Calculator
Board feet and cost for lumber from thickness, width, length and quantity.
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Drywall Calculator
Drywall sheets for a room's walls and ceiling, after doors, windows and waste.
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Stair Calculator
Number of steps, riser height, tread run and stringer length from the total rise.
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Stud Calculator
Wall studs and plate length for a framed wall at 12, 16 or 24 inch spacing.
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Plywood Calculator
Sheets of plywood or OSB for subfloors, wall sheathing and roof decks.
Concrete and Masonry
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Concrete Calculator
Concrete for slabs, footings and round columns in cubic yards, cubic metres and premix bags.
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Concrete Block Calculator
Standard 8 × 16 inch concrete blocks and courses for a wall.
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Brick Calculator
Bricks for a wall by brick size, using Brick Industry Association counts.
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Mortar Calculator
Bags of mortar mix for a number of bricks or concrete blocks.
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Rebar Calculator
Rebar grid for a slab: bars each way, total length and stock bars to buy.
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Paver Calculator
Pavers for a patio or path, plus gravel base and bedding sand.
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Retaining Wall Calculator
Segmental wall blocks, courses, caps and gravel base for a garden retaining wall.
Flooring and Interior
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Flooring Calculator
Boxes of laminate, vinyl plank or engineered wood for a room, with waste included.
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Tile Calculator
Tiles and boxes for a floor, wall or backsplash, including grout joints and waste.
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Paint Calculator
Gallons or litres of wall paint for a room, after doors and windows.
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Wallpaper Calculator
Rolls of wallpaper for a room or feature wall, allowing for pattern repeat.
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Carpet Calculator
Carpet to buy from a roll width, with the layout that wastes least.
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Grout Calculator
Grout volume and weight from tile size, tile thickness and joint width.
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Baseboard Calculator
Linear feet and pieces of baseboard trim for a room, minus door openings.
Deck, Fence and Outdoor
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Fence Calculator
Posts, rails, pickets and concrete for a wood fence run.
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Deck Calculator
Deck boards, joists and screws for a rectangular deck.
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Mulch Calculator
Cubic yards or bags of mulch for a garden bed at the depth you choose.
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Gravel Calculator
Gravel volume and weight in tons or tonnes for paths, driveways and bases.
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Topsoil Calculator
Topsoil for new lawns, beds and levelling, with an allowance for settling.
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Sod Calculator
Sod pieces, rolls and pallets for a new lawn.
Roofing
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Roofing Calculator
Roof area, squares and shingle bundles from the footprint and pitch.
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Roof Pitch Calculator
Roof pitch, angle, slope percentage and pitch factor from rise and run or an angle.
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Rafter Length Calculator
Common rafter length with overhang from span and pitch.
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Gutter Calculator
Gutter sections, downspouts and hangers for a roof edge.
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Metal Roofing Calculator
Metal roof panels, panel length and coverage for a gable roof.
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Attic Ventilation Calculator
Net free vent area for an attic and how to split it between intake and exhaust.
HVAC and Home Systems
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BTU Calculator
Room air conditioner size in BTU per hour, using the ENERGY STAR sizing chart.
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Insulation Calculator
Insulation thickness needed to reach a target R-value.
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Water Heater Size Calculator
Tank first-hour rating or tankless flow and power, using the U.S. Department of Energy method.
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Duct Size Calculator
Round and rectangular duct sizes from airflow and air velocity.
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Generator Size Calculator
Running and starting watts a generator needs for the loads you will run together.
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Electricity Cost Calculator
Energy use and running cost of any appliance per day, month and year.
Planning and Budget
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Renovation Net Gain Calculator
Compare projects by resale value gained per day your home is disrupted.
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Renovation Contingency Calculator
How much to hold in reserve for surprises, based on the work and the age of the home.
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Room Lighting Calculator
How many lumens a room needs for general lighting, and how many bulbs that takes.
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Energy Upgrade Payback Calculator
How many years a thermostat, insulation or appliance upgrade takes to pay for itself.
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