Plan it. Measure it. Build it.
Free interactive calculators for DIY and home improvement projects — concrete, paint, flooring, decking, and more.
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Room Project Calculator
Enter a room's dimensions once, then continue into Paint, Flooring, Drywall, or Insulation with them pre-filled.
Concrete Calculator
Calculate concrete volume and ready-mix or bag quantities for slabs, footings, and posts.
Paint Calculator
Calculate how much paint you need for a room, including doors, windows, coats, and cans.
Flooring Calculator
Calculate how many planks, tiles, and boxes of flooring you need for a room.
Drywall Calculator
Calculate how many drywall sheets, screws, and joint compound buckets you need for a room.
Deck Calculator
Calculate how many deck boards you need, compared across standard board lengths.
Tile Calculator
Calculate how many tiles, boxes, and how much grout you need for a tiling project.
Fence Calculator
Calculate how many fence panels and posts you need, and concrete for the post holes.
Insulation Calculator
Calculate how many rolls, batts, or bags of insulation you need for an area.
Roofing Calculator
Calculate roof surface area from footprint and pitch, and material bundles needed.