Free jobsite calculators for fast field estimates.
Calculate concrete, gravel, roofing, flooring, paint, drywall, masonry, carpentry quantities, unit conversions, labor cost, markup, and bid numbers from one fast static site.
Popular calculators
Concrete Slab Calculator
Estimate concrete cubic yards for a rectangular slab using length, width, thickness, and waste.
Concrete Footing Calculator
Calculate concrete volume for continuous footings and grade beams.
Concrete Sonotube Calculator
Estimate concrete needed for round piers, posts, and sonotubes.
Concrete Bag Calculator
Convert concrete cubic yards into premix bag counts.
Concrete Cost Calculator
Estimate concrete material cost from cubic yards and price per yard.
Concrete Weight Calculator
Estimate wet or cured concrete weight from volume.
Rebar Spacing Calculator
Calculate number of rebar runs needed across a slab or footing width.
Rebar Weight Calculator
Estimate total rebar weight using total length and pounds per foot.
Concrete Stairs Calculator
Estimate concrete volume for a simple stair run.
Concrete Curb Calculator
Estimate concrete volume for rectangular curb runs.
Gravel Calculator
Estimate cubic yards and tons of gravel from area, depth, and waste.
Crushed Stone Calculator
Estimate cubic yards and tons of crushed stone from area, depth, and waste.
Concrete Calculators
Estimate concrete volume, bags, yards, rebar, footings, slabs, and related jobsite quantities.
Material Calculators
Calculate gravel, mulch, topsoil, sand, stone, asphalt, and fill quantities.
Carpentry Calculators
Fast layout math for framing, boards, stairs, spacing, trim, and deck projects.
Roofing Calculators
Estimate roof area, shingles, metal panels, pitch, slope, and roofing material counts.
Drywall & Paint Calculators
Estimate drywall sheets, paint gallons, primer, joint compound, and wall surface areas.
Flooring & Tile Calculators
Calculate tile, flooring, thinset, grout, carpet, vinyl, and waste factors.
Masonry Calculators
Estimate blocks, bricks, pavers, mortar, wall area, and masonry materials.
Construction Conversion Calculators
Convert common jobsite measurements including feet, inches, yards, cubic yards, gallons, pounds, tons, and metric units.
Jobsite Business Calculators
Estimate markup, margin, labor cost, fuel cost, bid price, and material cost.