Free calculators for outdoor projects, concrete, mulch, gravel, fencing, decks and more.
Concrete Calculator
Volume, bags and cost for slabs, footings and post holes.
Mulch Calculator
Bags or bulk yards for garden beds, with a depth guide.
Gravel Calculator
Tons and cubic yards for driveways, paths and bases.
Topsoil Calculator
Cubic yards and bags for raised beds and new lawns.
Fence Calculator
Posts, rails and pickets for any fence length.
Deck Calculator
Boards, joists, posts and screws for your deck size.
Paver Calculator
Pavers plus sand and gravel base for patios and paths.
Sod Calculator
Rolls and pallets of turf for an instant new lawn.
Retaining Wall Calculator
Blocks, caps and backfill gravel for garden walls.
Pool Volume Calculator
Gallons and litres in rectangular, round and oval pools.
Irrigation Calculator
Sprinkler and drip run times, and gallons per week.
Bark Mulch Calculator
Litres and bags of bark for UK beds and borders.
Pond Calculator
Gallons, litres and the liner size for a garden pond.
Driveway Calculator
Concrete yards or asphalt tons, plus a cost ballpark.
Planter Box Calculator
Lumber and a cut list for a raised planter box.