Home & DIY
Materials, areas and layouts for home projects
1.00 acreHome & DIYAcreage CalculatorConvert a lot to acres from length x width, a square footage figure, or a four-sided irregular lot. Get acres, sq ft, m² and hectares at once.44 bd ftHome & DIYBoard Foot CalculatorTotal a whole lumber cut list in board feet, handle 4/4 and 8/4 thicknesses, and price the order per board foot.14 postsHome & DIYFence CalculatorWork out how many fence posts, rails and pickets you need, the right post hole depth, and what the materials will cost.3.5 tonsHome & DIYGravel CalculatorWork out how much gravel you need in tons and cubic yards, with a 10% waste allowance and the right depth for a driveway, walkway or patio.1.85 yd³Home & DIYMulch CalculatorWork out how much mulch you need for a bed or tree ring, in cubic yards and cubic feet, with the bag count and the bulk order side by side.2 x 1 galNewHome & DIYPaint CalculatorWork out how much paint you need for a room: wall area minus doors and windows, times the number of coats, turned into cans to buy.6/12 = 26.57°Home & DIYRoof Pitch CalculatorConvert roof pitch between X-in-12, degrees and percent, get the rafter length and the roof area multiplier, and see what the slope means for your roofing material.600 sq ftHome & DIYSquare Footage CalculatorCalculate the square footage of a room or a whole house: enter length x width per room and get the total in sq ft, m² and acres.5 x 7.2 inHome & DIYStair CalculatorCalculate stair risers, rise and run, and stringer length from your floor-to-floor height, and check the result against IRC code limits.14 boxesNewHome & DIYTile CalculatorWork out how many tiles you need for a floor or shower wall, plus the number of boxes to buy with a cut waste allowance.
The calculators in this category answer the question that decides the order, which is how much material to buy. Concrete, gravel, mulch, tile, paint and lumber are each sold in their own unit, by the ton, the cubic yard, the box or the bag, so a raw volume rarely maps onto what a supplier will actually deliver. Every tool here turns a measurement into a purchase, adds the waste allowance the trade expects and flags the depths and dimensions that make a job fail.