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BuildWire Calc
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BuildWire Calc: offline phone calculators for electricians and builders. Voltage drop, wire and breaker size, conduit bending, concrete, rebar, roof pitch, HVAC. Save and share jobs. No ads.
Key features
- Works offline with no signal
- Electrical, construction and HVAC calculators
- Save jobs; share as PDF, CSV or text
- No ads, no account needed
- Free tier; Pro unlocks the rest
Quick facts
- Link
- buildwirecalc.com
- Homepage title
- BuildWire Calc: Offline Electrical, Building and HVAC Calculators
- In its own words
- BuildWire Calc is a phone app with 36 offline calculators for electricians, builders and HVAC techs: voltage drop, wire size, concrete, BTU. No ads, no account.
- On its homepage
- Free Electrical Calculators in Your Browser
- Wire and Cable
- Power & Conversions
- Conduit, Boxes & Loads
- Motors & Generators
- Built for the Real Job Site
- Answers As You Type
- Job Organization & Export
- Type
- iPhone or iPad 路 Android
- Category
- Software and technology
- Tags
- Productivity
- Who it's for
- Freelancers 路 Small businesses
- Based in
- United States
- Pricing
- Free plan with paid upgrades
- On the App Store
-
- Utilities
- Free
- First released 23 Oct 2026
- Last updated 24 Oct 2026
As shown on the App Store, 10 Nov 2026.
- Find it elsewhere
- App Store Google Play
How this listing was checked
Submitted by its maker, who confirmed an email address on its own domain on Tuesday 10 November 2026. Its website was last read on Tuesday 10 November 2026.
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