Construction Calculators
Pick a calculator, enter your measurements and get quantities instantly. Switch between feet/inch and metric.
Concrete Volume (Slab / Footing / Beam)
Volume of concrete for slabs, footings, beams and rafts.
🏛️Round Column Concrete
Concrete volume for circular columns and piles.
⚙️Concrete Mix: Cement, Sand & Aggregate
Materials needed for a given volume of concrete.
🧱Brick Wall: Bricks, Cement & Sand
Number of bricks and mortar materials for a wall.
🪣Plaster: Cement & Sand
Mortar quantity for plastering walls and ceilings.
🟦Floor Tiles
How many tiles and boxes you need for a floor.
🎨Paint Quantity
Litres of paint for room walls and ceiling.
🔩Steel Bar (Rebar) Weight
Weight of reinforcement bars by diameter and length.
⛏️Excavation & Earthwork
Soil volume and truck trips for trenches and basements.
🏠Pitched Roof Area
Roof surface area and rafter length from span and pitch.
🪜Stair Design
Number of steps, riser and tread for a comfortable staircase.
💧Water Tank Capacity
Litres and gallons for rectangular or round tanks.
💰Quick Construction Cost
Rough building cost from area and local rate.
📏Plot Area Converter (Marla, Kanal…)
Convert between sq ft, m², sq yd, marla, kanal and acre.
🔁Unit Converter
Length, area, volume and weight conversions.
📐Drawing Scale Converter
Convert a length measured on a drawing to the real length.
📍Square Check (Diagonal)
Find the diagonal to check that a layout is square.