Home Improvement Calculators
Estimate materials and cost for home projects — concrete, flooring, roofing, and more.
Number of Calculators: 13
- ConcreteCalculate how much concrete you need for a slab, patio, walkway, or round post/deck footing — in cubic yards or bags — plus weight and project guidance.
- RebarCalculate how much rebar you need for a concrete slab or footing — bar count in each direction, total linear footage, standard bars to buy, and wire ties needed.
- PaintCalculate how much paint you need for a room based on its dimensions, doors, windows, and number of coats.
- FlooringCalculate how much flooring material to order for a room, including a waste margin and estimated cost.
- MulchCalculate how much mulch you need for a garden bed in cubic yards and standard bags, from its length, width, and depth.
- Sod / Grass SeedCalculate how many sod pallets or how many pounds of grass seed you need to cover your lawn's area.
- RoofingCalculate how many roofing squares and bundles of shingles you need, accounting for your roof's pitch.
- StairsWork out the number of steps, riser height, tread depth, and stringer length for a staircase.
- GravelCalculate how much gravel you need for a path, driveway, or garden bed, in cubic yards and tons.
- TileCalculate how many tiles you need for a floor, including grout spacing and a waste allowance.
- BTU / Air Conditioner SizingCalculate the BTU rating you need for a room based on its size, ceiling height, occupants, and sun exposure.
- FencingCalculate how many fence posts, rail sections, and rails you need for a straight fence run.
- DrywallFind out how many drywall sheets you need for a room, based on its dimensions and your chosen sheet size.