Construction Calculators
Our construction calculators help contractors and project managers estimate concrete, materials, labor, and earthwork volumes with confidence. Get fast quantity takeoffs and cost projections that keep bids accurate, budgets on track, and job sites running efficiently.
Asphalt Calculator
Estimate the tons of hot-mix asphalt needed to pave an area to a given depth.
Board Feet Calculator
Calculate board feet of lumber from thickness, width, and length, plus total cost.
Change Order Pricing Calculator
Build change order pricing with material, labor, equipment costs and standard markup chain for overhead, profit, and bond.
Confined Space Classification Wizard
Step-by-step OSHA confined space classification with permit-required assessment, PPE requirements, and documentation checklists.
Construction Equipment Rent vs Own Calculator
Compare the total cost of renting vs owning construction equipment with NPV analysis, break-even utilization, and 5-year projections.
Construction Loan Draw Schedule Calculator
Calculate construction loan draw schedules with interest accrual, retainage holdback, and total financing costs.
Construction Weather Delay Impact Calculator
Estimate anticipated adverse weather days using USACE methodology with 30-year NOAA climate normals by state.
Davis-Bacon Prevailing Wage Calculator
Calculate prevailing wage requirements, fringe benefits, overtime rates, and compliance status for federal construction projects.
Earthwork Cut/Fill Volume Calculator
Calculate cut and fill volumes using the Average End Area Method with shrinkage, swell factors, and mass haul analysis.
Fall Protection Clearance Distance Calculator
Calculate fall arrest clearance distance requirements per OSHA standards for shock-absorbing lanyards, self-retracting lifelines, and rope grabs.
Firewood Cord Calculator
Convert a stacked wood pile into cords and price it against a per-cord rate.
Flooring Calculator
Calculate how many boxes of laminate, hardwood, or vinyl flooring you need, with waste and cost.
Liquidated Damages Estimation Calculator
Estimate reasonable liquidated damages rates with daily cost aggregation, industry benchmarks, and enforceability assessment.
Material Waste Factor Calculator
Calculate material waste factors and ordering quantities for drywall, tile, flooring, concrete, lumber, and more based on installation complexity.
SWPPP Erosion Control BMP Sizing Calculator
Calculate RUSLE soil loss estimates and size erosion control BMPs including sediment basins, silt fences, and inlet protection for construction sites.