Construction & Measurement

Calculators for square footage, concrete volume and other on-site measurements.

Estimate asphalt volume from area and compacted thickness, with optional tonnage from the density of your actual asphalt mix.

Calculate board feet from lumber thickness, width, length and quantity using the dimensions you enter.

Estimate how many bricks you need for a rectangular wall using brick face dimensions, mortar-joint thickness and waste allowance.

Estimate concrete blocks for a wall from wall size, openings, block face dimensions, mortar joints and waste allowance.

Estimate how much concrete you need for a slab, wall, footing or column.

Estimate decking board count and material cost from your deck size, board size and spacing.

Estimate drywall sheet count for room walls and an optional ceiling, with openings and waste allowance.

Estimate fence panels or posts from your fence run length and the actual panel width or post spacing you plan to use.

Estimate flooring packages from room dimensions, package coverage and an extra-material allowance.

Calculate gravel volume in cubic yards, cubic feet and cubic meters, with an optional weight estimate from your material density.

Calculate how much mulch you need in cubic yards, cubic feet and cubic meters, with an optional bag-count estimate.

Estimate how much paint you need from room dimensions or a direct paintable area, with adjustable coverage and coats.

Estimate how many pavers you need from paved area, paver dimensions, optional joint gap and extra-material allowance.

Estimate rebar counts, total straight length and nominal steel weight for a rectangular reinforcement grid.

Convert between roof pitch (x:12), angle in degrees, slope percentage and rafter-length multiplier.

Calculate the area of a room or space in square feet or square meters.

Calculate how many tiles you need from surface dimensions, tile size and waste allowance, with an optional box estimate.