HomeBuild Metrics 
CONCRETE & OUTDOORS GUIDE How Much Concrete Do I Need for a Slab? For a rectangular slab, concrete volume starts with length × width × thickness. In US units, convert the slab thickness from inches to feet before multiplying, then divide cubic feet by 27 to get cubic yards. In metric, convert thickness from centimeters … Read more
FLOORS & TILE GUIDE How Many Boxes of Flooring Do I Need? To calculate how many boxes of flooring you need, find the total floor area, add your waste allowance, divide by the exact coverage per box, and round the result up to the next whole box. The box coverage matters just as much as … Read more
FLOORS & TILE GUIDE How Much Extra Tile Should I Buy? For a straightforward tile project, about 10% extra is a common planning starting point—but it is not a universal rule. A simple layout may sometimes justify 5–10%, while herringbone, complex patterns, irregular spaces, difficult cuts, or product-specific requirements can push the allowance to 15–20% … Read more
PAINTING & WALLS GUIDE How Much Paint Do I Need? To estimate how much paint you need, calculate the area you plan to paint, multiply it by the number of coats, and divide by the coverage rate of your paint. A simple formula is: Paint needed (gallons) = paintable area × number of coats ÷ … Read more