🏠 Home Project Calculators

Figure out how much paint, mulch, gravel, concrete or flooring you need, and what it will cost, before you go to the store.

Concrete CalculatorCalculate cubic yards of concrete for a slab, footing or round post hole, the number of 40, 60 or 80 lb premix bags, and the ready-mix cost with waste.Deck CalculatorEstimate how many deck boards to buy for a deck of any size, with board width, gap and length, plus linear feet, joist count, screws and decking cost.Drywall CalculatorEstimate drywall sheets for a room's walls and ceiling, minus doors and windows, plus screws, joint compound, tape and total material cost.Electricity CostFind what any appliance costs to run per day, month and year from its wattage, hours of use and your electricity rate, with typical watts for common devices.Fence CalculatorEstimate posts, rails, pickets or privacy boards and bags of concrete for a wood fence from its length, height, post spacing and gates, plus total cost.Flooring CalculatorWork out how many square feet and boxes of laminate, vinyl plank, hardwood or tile to buy, with waste for straight, diagonal or herringbone layouts.Grass Seed CalculatorFind how many pounds and bags of grass seed your lawn needs for a new lawn or overseeding, by grass type and area, with cost and starter fertilizer.Gravel CalculatorEstimate how much gravel you need in cubic yards, tons and 0.5 cu ft bags for pea gravel, crushed stone, river rock or road base, plus the total cost.Mulch CalculatorCalculate how much mulch you need in cubic yards and 2 or 3 cubic foot bags from your bed size and depth, and compare bagged versus bulk mulch cost.Paint CalculatorFind how many gallons of paint a room needs from its size, doors, windows and number of coats, with an optional ceiling and a total paint cost estimate.Raised Bed SoilFind how much soil fills your raised beds in cubic feet and yards, split into Mel's Mix or 60/30/10 components, with bag counts, cost and extra for settling.Roofing CalculatorEstimate roof area, squares and shingle bundles from your house size and pitch, plus underlayment rolls, drip edge, ridge cap and an installed cost range.Tile CalculatorWork out how many tiles and boxes to buy for a floor or wall, with grout joint width, layout waste, a grout estimate in pounds and total tile cost.Wallpaper CalculatorCount the wallpaper rolls a room needs using the strip method, with pattern repeat, trim allowance, doors and windows, roll size and total cost.