Are these estimates exact?
The math is transparent, but product coverage and jobsite conditions can change the final purchase.
Tool Switcher: All Calculators
Project toolsTools
Practical project planning
Measure twice. Buy once.
Accurate material estimates for home improvement projects—without hidden math, signup, or saved measurements.
Start a new projectProject selector
What are you working on today?
Start with the material you need to buy.
01
Paint
Walls, coats, openings
Gallons · litres · containersOpen calculator →02Concrete
Slabs, footings, columns
Yards · metres · bagsOpen calculator →03Tile
Surface, grout, pattern
Tiles · coverage · boxesOpen calculator →04Flooring
Rooms, layout, cartons
Area · overage · boxesOpen calculator →05Mulch & Gravel
Beds, paths, depth
Volume · bags · bulkOpen calculator →How it works
Three steps from tape measure to checkout.
- 1.Choose your project
Select a specialized calculator.
- 2.Enter dimensions
Use real measurements and product assumptions.
- 3.Get a material ticket
Review exact need and purchase quantity.
Material ticket
12 × 14 ft patio slab
- Dimensions
- 12 × 14 ft · 4 in depth
- Exact volume
- 2.07 yd³
- Planning allowance
- 10%
- Recommended order
- 2.28 yd³
Example only. Supplier delivery increments may vary.
Built for a second look
Transparent assumptions. Local calculations. Useful limitations.
- No account required
- US and metric units
- Editable planning allowance
- Product labels take priority
Common questions
Before you place the order.
Why include an allowance?
Cuts, texture, spills, breakage, and touch-ups can require more material than the clean geometric amount.
Can I use metric units?
Yes. Unit switching preserves the same physical measurement while changing the displayed values.