Home & construction calculators
Work out how much material to buy for floors, walls, slabs and driveways — with waste allowances included, so you order once.
5 free tools
Tile Calculator
Enter the area and tile size to get the number of tiles, boxes and cost — with grout joints and a waste allowance included.
Home
Paint Calculator
Enter your room size and get the paint you need — walls, optional ceiling, doors and windows subtracted, any number of coats.
Home
Flooring Calculator
Work out the square footage (or m²) of flooring to buy, how many boxes that is, and what it will cost.
Home
Concrete Calculator
Get the volume of concrete for a slab or patio, and how many premix bags or cubic yards to order.
Home
Gravel Calculator
Turn the size and depth of a driveway, path or garden bed into tons and cubic yards of gravel.
Home