Guides

Learn by doing.

Interactive, practical guides that show the measurements, formulas and buying decisions behind each CalcItExact calculator.

Concrete Calculator Guide

Learn which measurements matter, how concrete volume is calculated, and how to add a sensible waste allowance before ordering.

Work out the volume of gravel you need, then turn that volume into an estimated weight using an adjustable density.

Calculate how much mulch your beds need and convert the required volume into the number of bags to buy.

Estimate paint from wall surface area, openings, coats and the coverage stated by the paint manufacturer.

Calculate room floor area, add cutting waste and convert the result into the number of flooring packages to purchase.