Construction calculators
Free tools to estimate materials and costs for your project, instantly.
Concrete calculator
Work out the volume of concrete (in m³) you need for a slab, screed, beam or foundation fr…
Steel (rebar) calculator
Estimate how many kilograms of reinforcing steel you need based on the square meters of co…
Brick and block calculator
Calculate how many red bricks or concrete blocks you need to build a wall, based on the ar…
Construction cost per m²
Estimate the approximate cost of building based on the square meters and the finish level.…
Weekly payroll calculator
Calculate your crew’s weekly pay from the daily wage and the days worked. Count half days …