Construction Calculators
Estimate construction materials, areas, volumes and project costs.
Concrete Volume Calculator
Estimate concrete volume with an optional wastage allowance.
Calculate Now → 🧮Area Calculator
Calculate area in square metres and square feet.
Calculate Now → 🧮Volume Calculator
Calculate volume in cubic metres and litres.
Calculate Now → 🧮Paint Calculator
Estimate paint volume from wall area, coats and coverage per litre.
Calculate Now → 🧮Floor Tile Calculator
Estimate the number of floor tiles required, including a waste allowance.
Calculate Now → 🧮Brick Calculator
Estimate bricks for a wall using wall dimensions and brick face dimensions.
Calculate Now → 🧮Roof Pitch Calculator
Calculate roof pitch, angle and rafter length from rise and horizontal run.
Calculate Now → 🧮Construction Cost per Square Foot Calculator
Calculate average construction cost per square foot.
Calculate Now → 🧮Concrete Volume with Wastage Calculator
Estimate concrete volume for a rectangular slab, including a user-entered wastage allowance.
Calculate Now → 🧮Steel Weight Calculator
Estimate steel mass from volume and a nominal density of 7,850 kg/m³.
Calculate Now → 🧮Pipe Weight per Metre Calculator
Estimate steel pipe weight per metre from outside and inside diameters.
Calculate Now → 🧮Paint Coverage Calculator
Estimate paint litres required for an area and coverage rate.
Calculate Now → 🧮Tile Quantity Calculator
Estimate tile count from floor area and tile area.
Calculate Now → 🧮Brickwork Mortar Ratio Calculator
Calculate mortar volume as a share of total brickwork volume.
Calculate Now → 🧮Project Contingency Calculator
Calculate a contingency allowance and adjusted project budget.
Calculate Now → 🧮Plaster Material Estimator
Estimate wet plaster volume and dry material volume using a wastage allowance.
Calculate Now → 🧮Cement Bag Estimator
Estimate cement bags from cement volume and a selected bag weight.
Calculate Now → 🧮Excavation Volume Calculator
Calculate excavation volume for a rectangular pit or trench.
Calculate Now → 🧮Wall Area Calculator
Calculate net wall area after subtracting doors and windows.
Calculate Now → 🧮Formwork Area Calculator
Estimate formwork contact area for a rectangular concrete column.
Calculate Now → 🧮Cylinder Concrete Volume
Calculate cylindrical concrete volume from radius and height.
Calculate Now → 🧮Roof Pitch
Calculate roof pitch as rise divided by horizontal run.
Calculate Now → 🧮Staircase Slope
Calculate stair slope angle in degrees from rise and going.
Calculate Now → 🧮Air Changes per Hour
Calculate air changes per hour from airflow and room volume.
Calculate Now → 🧮Steel Plate Weight
Estimate steel plate weight from dimensions and density.
Calculate Now → 🧮Excavation Truckloads
Estimate truckloads required for excavated material.
Calculate Now → 🧮Paint Project Cost
Estimate total paint cost from area, coverage and price per litre.
Calculate Now → 🧮Reinforcement Bar Weight
Estimate steel bar weight using the common d²/162 kg per metre approximation.
Calculate Now → 🧮Concrete Material Volume with Wastage
Estimate concrete volume including a wastage allowance.
Calculate Now → 🧮Tile Grout Quantity Estimate
Estimate grout volume from joint dimensions and tiled area.
Calculate Now → 🧮Paint Quantity with Wastage
Estimate paint quantity including a wastage percentage.
Calculate Now → 🧮Roof Surface Area from Footprint
Estimate sloped roof surface area from footprint and pitch angle.
Calculate Now → 🧮Excavation Bulking Volume
Estimate loose excavated soil volume after bulking.
Calculate Now → 🧮Brick Wall Mortar Volume Estimate
Estimate mortar volume as a configurable fraction of wall volume.
Calculate Now → 🧮Rectangular Water Tank Capacity
Calculate capacity of a rectangular water tank.
Calculate Now →