Buy the right amount the first time.
Simple DIY calculators for concrete, flooring, paint, fencing, landscaping and more.
Free to use · No signup · Your numbers stay in your browser
Measure, tap in a few numbers, know what to buy.
Popular calculators
Concrete
How many bags do I need?
Open calculator →Flooring
How many boxes should I buy?
Coming soonPaint
How much paint do I need?
Coming soonMulch
How much should I order?
Coming soonBrowse by project
Yard & garden
- Concrete slab
- Mulch & soil
- Fencing
- Garden beds
Inside the house
- Paint
- Flooring
- Drywall
- Tile
Garage & patio
- Fence post holes
- Shed pad
- Driveway patch
- Garage floor
Numbers you can understand. We show our assumptions, you pick the extra, and bags are always rounded up — never down.