Construction & material calculators

Pick your material and get the amount, the waste to add on top, and a cost estimate. Every tool runs in your browser and works one-handed on a phone.

Concrete Block Calculator

Block count and mortar for any wall.

Blocks · mortar bags · costOpen calculator

Rebar Calculator

Bar count and total length for your slab grid.

Bars · linear feet · sticksOpen calculator

Gravel Calculator

Yards, tons, and bags for driveways, paths, and drainage.

Cubic yards · tons · bags · costOpen calculator

Mulch Calculator

Bags or yards to cover beds at the right depth.

Cubic yards · bags · costOpen calculator

Sand Calculator

Yards, tons, and bags for any sand job.

Yards · tons · bags · costOpen calculator

Topsoil Calculator

How much soil to fill or top-dress a bed or yard.

Cubic yards · bags · costOpen calculator

Acreage Calculator

Acres, square feet, and hectares from your lot size.

Acres · sq ft · sq yards · hectaresOpen calculator

Square Feet to Acres Calculator

Convert between square feet, acres, hectares, and more.

Acres · sq ft · hectares · sq metersOpen calculator

Price Per Acre Calculator

Total land cost, plus price per square foot and hectare.

Total cost · per sq ft · per hectareOpen calculator

Roof Pitch Calculator

Pitch, angle, and rafter length from rise and run.

Pitch · angle · rafter lengthOpen calculator

Stair Stringer Calculator

Risers, treads, and stringer length to code.

Risers · treads · stringer lengthOpen calculator

Drywall Calculator

Sheets, screws, and mud for walls and ceilings.

Sheets · screws · mud · costOpen calculator

Asphalt Calculator

Tonnage for driveways and lots at any depth.

Tonnage · cubic yards · costOpen calculator