Construction

Material quantity calculators using standard densities and coverage rates, with sensible waste margins.

Calculate the concrete volume, number of bags and weight needed for a slab, footing or pad from length, width, depth and bag yield.

Calculate how many bricks, blocks and mortar bags you need for a wall from its length, height, brick type and waste allowance.

Calculate how many tonnes of gravel or aggregate you need for a driveway or path from area, depth and bulk density.

Calculate the tonnes of hot-mix asphalt needed for a driveway or path from area, thickness and material density.

Calculate how much mulch you need for a garden bed in cubic meters, liters, cubic yards and 50L bags from area and depth.

Materials