Free Construction Calculators
Concrete, gravel, sand, mortar and more — instant estimates in imperial and metric. No sign-up required.
All Calculators
Concrete Slab Calculator
Cubic yards, metres and premix bags for any slab pour.
Screed Calculator
Sand and cement for floor screed. Bonded, unbonded and floating.
Mortar / Brick Calculator
Mortar, sand and cement for brickwork and blockwork.
Gravel Calculator
Tons or cubic yards of gravel by type.
Sand Calculator
Sand volume in cubic yards, metres and bags.
Mulch Calculator
Cubic yards, cubic feet and bag counts for mulch.
Topsoil Calculator
Topsoil volume and weight for landscaping projects.
Excavation Calculator
Soil volume, weight and dumpster/skip estimates.