All calculators

How much mulch do you need? Enter bed size and depth — we return cubic yards, cubic feet and 2 cu ft bag count.

Estimate gravel for driveways, paths or pads. Returns cubic yards, tons and cost.

How much topsoil? Enter area and depth for cubic yards and 40 lb bag count.

Get square footage, roll count, pallets and cost.

Pounds of seed for new lawns or overseeding.

Estimate sand in cubic yards, tons and cost.

Estimate pea gravel in cubic yards, tons and cost.

Estimate river rock in cubic yards, tons and cost.

Estimate crushed stone in cubic yards, tons and cost.

Estimate riprap for erosion control in cubic yards, tons and cost.

Estimate fill dirt in cubic yards, tons and cost.

Bark mulch quantities in cubic yards and bags.

Rubber mulch weight, bags and coverage for playgrounds.

Soil for raised beds: cubic feet, yards and bag counts.

Compost quantity for beds, lawns and gardens.

How many plants fit an area at your chosen spacing.

Seed count for a row garden.

Pounds of fertilizer to apply your target N rate.

Bags of lawn fertilizer at your target rate.

Weighted C:N ratio of your compost mix. Target 25–30:1.

Volume of material to fill a compost bin.

Weekly gallons of water for your beds or lawn.

Start-indoors date based on weeks before last frost.

BTU/hr to hold greenhouse temperature on the coldest night.

Total flow and run time for a drip zone.

Number of heads for head-to-head coverage.

Rain garden area for the runoff you're capturing.

Pool gallons for chemical dosing, heater sizing or refill planning.

Salt bags to reach your saltwater target ppm.

Ounces of liquid chlorine (12.5%) to raise free chlorine.

Cal-hypo (65%) to raise your free chlorine.

Dichlor (56%) to raise your free chlorine.

Trichlor tabs (90%) to maintain free chlorine.

Soda ash (sodium carbonate) to raise pH.

Muriatic acid (31.45%) to lower pH.

Baking soda to raise total alkalinity.

Calcium chloride to raise calcium hardness.

Cyanuric acid (stabilizer) to reach target CYA.

Langelier Saturation Index — target between -0.3 and +0.3.

BTU/hr to heat a pool to your target temperature.

Hours to turn over your pool volume once.

Daily gallons lost to evaporation.

How much heat and water a solar cover saves.

Cost to fill or top-off your pool.

Closing doses: shock, algaecide, stain-and-scale.

Gallons for a round above-ground pool.

Bromine or dichlor dose for a spa.

Pavers needed for a patio or walkway, plus base sand and gravel.

Posts, pickets, rails and concrete for a wood fence.

Linear feet and cost of edging for a bed or path.

Blocks, base gravel and cost for a segmental retaining wall.

Board count, joists and screws for a rectangular deck.

Gallons of stain for decking and railings.

Bags of concrete for fence post holes.

Gallons of stain for both sides of a fence.

Gallons of asphalt sealer for your driveway.

Tons of hot-mix asphalt for a driveway.

Cubic yards and bags for a concrete slab.