Screed Calculator Screed Calculator Estimates the sand and cement required to screed a given floor area. Length (m) * Length of the floor Width (m) * Width of the floor Thickness (mm) * The thickness of screed Area (m2) Calculated floor area Sand (m3) The volume of Sand required Cement (Bag 50kg) Number of cement bags required NB: While all information in the calculator is supplied in good faith, no liability can be accepted by Civilconsctructiontools.com team as actual use is beyond its control. Remember to add 5% wastage to your quantities. Rate the Calculator 1 Star 2 Stars 3 Stars 4 Stars 5 Stars If you are human, leave this field blank. Exit