BuildCalc Pro is the free, no-ads construction calculator built for contractors, electricians, carpenters, and DIY pros. No subscriptions. No ads. Just fast, accurate calculations on the job site. CONCRETE - Slab calculator: cubic yards, cubic feet, and bag count - Column and tube calculator - Strip footing estimator FRAMING - Wall stud calculator (12", 16", 24" OC spacing) - Drywall sheet estimator - Lumber board feet calculator ROOFING - Shingle calculator with pitch multiplier - Roofing squares and bundle count ELECTRICAL - Ohm's Law: solve for any 2 of Voltage, Current, Resistance, or Watts - Wire gauge size guide - Conduit fill percentage with NEC pass/fail Privacy Policy: https://launchfast.live/buildcal/privacy.html Terms of service: https://launchfast.live/buildcal/terms.html