Build, measure and estimate with confidence.
Construction calculators that turn project dimensions into material quantities, waste allowances and cost estimates when verified pricing is available.
Square Footage & Area Calculator
Calculate square footage, square meters or square yards from length and width for floors, walls, rooms and material planning.
Concrete Footing Calculator & Cost Estimator
Calculate concrete volume for rectangular strip or pad footings, multiple footings, waste allowance and ready-mix cost.
Excavation & Trench Calculator
Calculate excavation or trench volume from length, width and depth with cubic yards, cubic meters and a sourced US cost benchmark.
Fence Calculator & Cost Estimator
Estimate fence length, approximate post count and a sourced installed-cost range from total run length and post spacing.
Rebar Calculator
Estimate rebar quantity for a rectangular slab from slab size, bar spacing, edge cover and bar diameter. Calculate bar lines, total length and approximate steel weight.
Gravel Calculator
Calculate gravel volume for driveways, bases, paths and landscaping from length, width and depth. Add extra allowance and estimate weight from an adjustable bulk density.
Brick & Block Calculator
Calculate how many bricks or blocks a wall needs from wall size, unit dimensions, mortar joint, openings and waste allowance. Estimate net wall area and units per square meter.
Concrete Bag Calculator
Calculate how many bags of concrete you need for a slab or rectangular pour from length, width, thickness, waste and the actual yield printed on the concrete bag.
Pipe Volume & Capacity Calculator
Calculate pipe volume and internal capacity from inside diameter, length and quantity. Convert results to liters, gallons, cubic feet or cubic meters.
Solar Panel Calculator & Cost Estimator
Estimate solar system size, panel count, annual energy production, roof area and market-based installation cost from monthly electricity use.
Concrete Slab Calculator
Calculate concrete volume for slabs in cubic yards or cubic meters, add waste, convert units, and view available material cost estimates.
Tile Calculator & Cost Estimator
Calculate how many tiles and boxes you need from room and tile dimensions, include waste, convert units, and view available material and labor costs.
Flooring Calculator & Cost Estimator
Estimate flooring area, waste and boxes for laminate, vinyl or engineered wood, with unit conversion and available material and installation cost ranges.
Paint Calculator & Cost Estimator
Estimate paint needed from room dimensions, doors and windows, coats and coverage. Convert liters and gallons and view available paint and labor costs.
Drywall Calculator & Cost Estimator
Calculate drywall sheets and coverage area for room walls and an optional ceiling, include waste, convert units, and view available material and labor costs.
Roofing Shingle Calculator & Cost Estimator
Calculate roof area, roofing squares and shingle bundles from building size and pitch, add waste, convert units, and view available roofing cost estimates.