Practical Guides for Smarter Home Projects
Step-by-step explanations, worked examples and planning advice to help you measure, estimate and buy materials with confidence.
Learn Before You Buy
Use these guides to understand the measurements, formulas and planning choices behind common home projects before you start purchasing materials.
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How Much Concrete Do I Need for a Slab?
Read Guide →: How Much Concrete Do I Need for a Slab?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…
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How Many Boxes of Flooring Do I Need?
Read Guide →: How Many Boxes of Flooring Do I Need?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…
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How Much Extra Tile Should I Buy?
Read Guide →: How Much Extra Tile Should I Buy?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…
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How Much Paint Do I Need? Calculate Paint for a Room
Read Guide →: How Much Paint Do I Need? Calculate Paint for a RoomPAINTING & 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…
Turn the Guidance Into Your Own Project Estimate
Use our calculators for paint, tile, flooring and concrete to turn your measurements into practical material estimates.