Software & SaaS ToolsMobile app / companion website

BuildWire Calc

Offline trade calculators for electrical, construction and HVAC. Saved jobs, PDF export, no ads.

buildwirecalc.com

Website overview

About BuildWire Calc

BuildWire Calc is a phone app of offline trade calculators for people who work on site; they keep working with no signal. Electrical: voltage drop, wire size, breaker size, load, Ohm's law, three-phase power, conduit bending. Construction: concrete slab, footing, rebar, roof pitch, stairs. HVAC: BTU, CFM, duct size, superheat. Save a job and share it as PDF, CSV or text. No ads, no account. Free tier; Pro unlocks the rest. Available on Google Play and the App Store.

At a glance

Key features

  • Voltage drop and wire size calculators
  • Concrete, rebar, roof pitch and stair calculators
  • HVAC BTU, CFM and duct sizing
  • Works offline with no signal
  • Save jobs and export PDF/CSV

Practical details

What can you use this website for?

Get quick on-site sizing and estimates for wire, concrete, roofing or HVAC jobs without internet, then save the job and export it as PDF.

Who is it for?

Electricians, contractors, builders, HVAC technicians and trade apprentices

What to know

What makes it different?

Fully offline, no ads, no account, with trade-focused calculators for electrical, construction and HVAC in one app.

About this listing

Information about features, pricing and suitability is supplied by the submitter, not independently verified by Zearches. Websites are screened against submission and safety rules, but inclusion is not an endorsement.

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