Department № 05

Construction.

Concrete, paint, tile — take-offs done right.

10 tools in this department

Construction and materials calculators for real job-site estimation: concrete volume, gravel and mulch coverage, roofing squares, paint gallons, tile counts, board-foot lumber math, and BTU sizing. Aimed at contractors, remodelers, and confident DIYers who need a defensible take-off before ordering materials or quoting a job. Enter measured dimensions and each tool returns quantities in the units suppliers actually sell.

01
Concrete Volume
Volume of concrete needed for a slab, plus 10% waste allowance.
02
Paint Calculator
Liters of paint required, allowing for coats and coverage.
03
Tile Calculator
How many tiles you need for an area, with waste allowance.
04
Roof Pitch Calculator
Convert roof pitch (rise/run) to angle in degrees and slope percent.
05
Board Feet Calculator
Compute board feet of lumber for pricing and take-offs.
06
Stair Calculator
Riser count, tread run, stringer length, and stair angle from total rise.
07
Gravel Calculator
Volume, tonnage, and bag count for a gravel area — with a 10% waste allowance.
08
Mulch Calculator
Volume and 50 L bag count for mulching a garden bed at a chosen depth.
09
Sand Calculator
Sand tonnage and 25 kg bag count for a fill area at your chosen depth.
10
Square Footage Calculator
Area in ft², m², and acres for common shapes — plus a cost estimate.

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