Construction & DIY
BenTools • Construction & DIY
Paint, tile estimators, concrete volume & dosage, roof slopes, and metric-imperial unit converters.
Category Tools(10)
Paint Coverage & Can Estimator
Accurately calculate paint liters and can quantities for walls and ceilings with automated doors & windows deduction.
Tile & Grout Calculator with Wastage
Determine total square meters, tile pack counts, adhesive mortar and grout volume with recommended cutting waste margins.
Concrete & Mortar Mix Calculator
Calculate cubic volume for slabs, footings, and posts. Exact mix requirements in cement bags, sand, gravel, water, and wheelbarrows.
Earthwork, Excavation & Soil Swell Calculator
Calculate bank cubic volume, loose swelled soil volume, haul truck trips, and total tonnage for excavation works.
Heating & Cooling BTU / Wattage Sizing Calculator
Accurately size your radiators, heat pump, or split AC unit in Watts, kW, BTU/hr, and Frigories based on insulation, sun exposure, and room volume.
Drywall, Stud & Track Materials Calculator (Plasterboard)
Accurately calculate drywall sheets, studs, tracks, screws, tape, and joint compound for partitions and ceilings.
Gravel, Sand & Aggregate Quantity Calculator
Accurately calculate cubic meters, tonnage, bulk bags, and 25 kg bags of gravel, sand, or crushed stone for driveways and patios.
Slope & Roof Pitch Calculator (Degrees ⇄ Percentage & Ramp)
Accurately calculate and convert slope between percentage (%), pitch degrees (°), elevation drop, and rake length for roofs, gutters, and ADA wheelchair ramps with live SVG diagram.
Civil Engineering & Construction Unit Converter
Specialized engineering unit converter: mechanical pressure & strength (MPa, Bar, PSI), volumes, bulk densities, hydraulic flow (L/s, mÂł/h), land areas, and forces (kN, tf).
Wallpaper Roll & Pattern Repeat Calculator
Accurately estimate wallpaper rolls, full strips, and paste needed based on wall dimensions, ceiling height, and pattern repeat match (free, straight, or drop).