Home & construction
Brick wall quantity with mortar joints
Brick wall quantity with mortar joints using clearly labeled inputs, with the formula, a worked example and practical limits explained.
Home / Categories / Home & construction
Home & construction
Choose a tool. The method, example and assumptions are included.
Home & construction
Concrete quantity
Concrete quantity: Cubic meters = length × width × thickness/100 × (1+waste/100)
Home & construction
Deck board spacing and count
Deck board spacing and count: Board count = ceil((deck width + target gap)/(board width+gap)); report exact equal gap if all boards can be full width, otherwise estimate the final rip width.
Home & construction
Electricity cost
Electricity cost: Cost = watts/1000 × hours × tariff
Home & construction
Fence panels and posts
Plan panel and post counts for an open fence run or a closed loop, plus a basic materials budget.
Home & construction
Horizontal cylindrical tank fill volume
Estimate liquid litres in a level horizontal cylindrical tank from diameter, cylindrical length and liquid depth.
Home & construction
Paint quantity
Paint quantity: Liters = area × coats ÷ coverage × (1 + waste/100)
Home & construction
Plant spacing grid count
Plant spacing grid count: Place plant centers half a spacing from each boundary.
Home & construction
Pool and tank filling time
Pool and tank filling time using clearly labeled inputs, with the formula, a worked example and practical limits explained.
Home & construction
Premixed concrete bag quantity
Premixed concrete bag quantity: Bags = ceil(required m³ × 1000 × (1+waste fraction) / stated litres of wet yield per bag).
Home & construction
Rainwater collection worksheet
Rainwater collection worksheet: Harvested litres = rainfall mm × roof catchment m² × efficiency fraction; one mm over one m² equals one litre.
Home & construction
Roof pitch and slope angle
Convert measured roof rise and horizontal run into an angle, slope percentage and an x-in-12 roof pitch.
Home & construction
Soil and mulch
Soil and mulch: Volume in liters = area × depth × 10
Home & construction
Stair riser and run planner
Estimate an equal-riser stair layout from total rise, a chosen maximum riser and horizontal going.
Home & construction
Stock length cutting plan
Stock length cutting plan: Expand requested quantities, sort pieces longest first, and place each in the first existing stock that fits.
Home & construction
Tile quantity
Tile quantity: Tiles = ceil(area ÷ tile area × (1 + waste/100))
Home & construction
Wallpaper roll quantity
Estimate whole wallpaper rolls from strip height, roll dimensions, trimming and an optional straight-match pattern repeat.
Home & construction
Water use
Water use: Liters per day = flow × minutes × uses