Concrete Slab Calculator
Estimate slab concrete, contingency, ready-mix ordering, bag equivalent and cost.
Measure. Plan. Order.
Construction & Material Calculators
Practical US-first calculators for working out project quantities before you order materials. Enter the job dimensions, sanity-check the geometry, then see the theoretical requirement and practical purchase quantity separately.
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Calculators
Choose your project
Start with the material or construction element you need to estimate. All 22 JobsiteMeasure calculators are listed here.
Concrete & sitework
Concrete structures, underground utilities, drainage and excavation quantities.
Concrete Footing Calculator
Estimate concrete for continuous strip footings or isolated pad footings from known dimensions.
Concrete Curb / Kerb Calculator
Estimate precast curb units and support concrete, or cast-in-place concrete curb volume.
Post Hole Concrete Calculator
Estimate concrete for round or rectangular post holes, subtract post displacement, combine mixed groups and order whole bags.
Concrete Headwall Calculator
Calculate concrete cubic yards for a culvert headwall, pipe opening, wingwalls and apron from dimensions on your project drawing.
Manhole Excavation & Backfill Calculator
Calculate manhole excavation, structure displacement, bedding, backfill and loose spoil in cubic yards from known pit and manhole dimensions.
Culvert Bedding & Backfill Calculator
Calculate culvert trench excavation, pipe displacement, bedding, backfill and loose spoil in cubic yards from known installation dimensions.
Pipe Concrete Encasement Calculator
Calculate concrete cubic yards for pipe encasement by subtracting pipe displacement from a rectangular concrete envelope, with an explicit allowance.
Catch Basin Excavation & Backfill Calculator
Calculate catch basin excavation, bedding, structure displacement, backfill and loose spoil in cubic yards from known outside dimensions.
Electrical Duct Bank Concrete Calculator
Calculate concrete cubic yards for an electrical duct bank from conduit layout, outside diameter, spacing, cover and run length.
Concrete Bollard Footing Calculator
Calculate concrete for round bollard footings from known hole diameter, concrete depth, bollard outside diameter, embedment and quantity.
Light Pole Base Concrete Volume Calculator
Calculate concrete cubic yards for cylindrical light pole bases from specified diameter, below-grade depth, above-grade height and quantity.
Flowable Fill / CLSM Calculator
Calculate flowable fill or CLSM cubic yards for a trench or rectangular void, with optional pipe displacement and an explicit ordering allowance.
Manhole / Utility Concrete Collar Calculator
Calculate concrete cubic yards for a circular manhole, valve box or utility collar from outside diameter, opening diameter, thickness and quantity.
Materials & groundworks
Bulk material quantities for paving, landscaping and general site preparation.
Asphalt Calculator
Estimate asphalt area, compacted volume, tonnage, practical order quantity and material cost.
Topsoil Calculator
Estimate topsoil volume, settlement allowance, bulk order, bag equivalent and cost.
Gravel Calculator
Estimate gravel and rock in cubic yards and tons, with density presets, ordering allowance, bags and optional cost.
Sand Calculator
Estimate sand in cubic yards and tons for landscaping, concrete, masonry and paver bedding, with density, bags and cost.
Mulch Calculator
Estimate mulch in cubic yards and whole bags, with irregular areas, depth comparison, ordering allowance and optional cost.
Building & exterior
Sheet, roll and exterior-cladding takeoffs.
Drywall Sheet Calculator
Estimate net drywall area, compare common sheet sizes, add an editable allowance and calculate whole sheets and optional material cost.
Roof Underlayment Calculator
Estimate whole underlayment rolls from roof area, roofing squares or measured planes using product coverage or explicit lap geometry.
Vinyl Siding Calculator
Estimate net siding area, siding squares and whole product units from measured walls, gables and openings.
Project Planning Guides
Choose defensible depths and assumptions before calculating a material quantity.
Methodology & Sources
See how geometry, allowances, source data and supplier rounding are handled.
Built for practical quantity checks
JobsiteMeasure calculators separate geometry, allowances and procurement rounding so you can see how the final order quantity was reached. They are planning tools, not a substitute for project-specific engineering, supplier specifications or applicable code requirements.