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Building & Material Guides

Plain-English guides to estimating materials for real jobs — how much you need, how to measure it, and the calculator that does the math for your exact project. Written for DIYers and contractors alike.

Popular guides

  • How much concrete do you need? Slabs, footings & bags
  • How much gravel do you need for a driveway?
  • How much paint do you need for a room?
  • How much mulch do you need?

Ready to run your numbers? Browse all 15 calculators →

BuildCalcPRO

Stop guessing at the hardware store. Get exact quantities before you load the truck.

Built for DIYers and contractors alike

15 toolsUS / ImperialUpdated monthly

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Run your numbers in seconds.

Pick a material, punch in your measurements, and get exact quantities, bags and cost — no spreadsheet required.

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15
free calculators
concrete to sod
100% free, forever No sign-up or limits Checked to spec
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Concrete Conc. block Brick Mortar Gravel Sand Mulch Topsoil Tile Flooring Paint Drywall Board foot Sq. footage Paver

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We build every calculator to match how the pros actually estimate — then keep it 100% free. No ads pushing product, no sign-up walls. Just fast, honest numbers for any job.

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