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The DIY Calculator

My project

Nothing on the list yet. Work out a quantity with a calculator, then press “Add to project”: the lines add up here, and stay in this browser.

Measuring and conversion calculators

Measuring calculators for the figures every project starts from: the area of a room or a yard, and the volume that fills it.

The figure before the material

Square feet, cubic feet and cubic yards are where an order begins. These calculators take a length however it is written, in feet and inches, in yards or in metres, add several shapes together, and give the result in each unit a store or a supplier might ask for.

When the figure is for a material, the calculator of that material takes it from there: tons, bags and sheets are on its own page.

Updated . How we calculate. Found a mistake? Tell us.