NailCalc
Free project calculators — concrete, paint, tile, budgets. No signup, nothing leaves your browser.
All tools
Board Foot Lumber CalculatorBoard feet for any lumber size — with optional price math.
Concrete CalculatorHow many bags (or yards) of concrete your slab needs.
Deck & Fence Material EstimatorBoards, joists, posts, pickets, and rails for decks and fences.
Drywall EstimatorSheets, screws, and joint compound for walls and ceilings.
Gravel & Soil Tonnage CalculatorHow many tons of gravel, soil, sand, or mulch your project needs.
Lawn Fertilizer CalculatorHow much fertilizer (and nitrogen) your lawn actually needs.
Paint Coverage CalculatorHow many gallons of paint your room really needs.
Stair Stringer CalculatorRiser count, tread layout, and stringer length for your stairs.
Tile EstimatorHow many tiles to buy, including waste for cuts.
Wallpaper Roll EstimatorHow many rolls of wallpaper your walls need, pattern waste included.