FieldCalc Pro
28 code-compliant calculators. 100% offline. No account.
FieldCalc Pro launched on March 25, 2026.
What it does
Most trade calculator apps don't tell you which code edition they reference. That's a problem when you're pulling permits. FieldCalc Pro has 28 calculators for electricians, HVAC techs, and contractors — every result cites the exact standard: NEC 2023, ASHRAE 62.1, IRC 2021, ACI 318-19. Works 100% offline. No account. No ads. No data collected. 2.5 MB. 6 calculators free forever. Pro is $4.99/mo with a 7-day free trial.
FieldCalc Pro provides 28 code-compliant calculators for electricians, HVAC technicians, and contractors. NEC, ASHRAE, and IRC references built in. Available on the App Store.
Built for electricians, HVAC technicians, and contractors. NEC 2023, ASHRAE, IRC & ACI references. Works 100% offline. Results you can trust on the job site, offline, with no account required. Every feature designed for tradespeople who need accurate answers on site, fast. NEC 2023, ASHRAE 62.1, IRC 2021, ACI 318-19. Every calculator cites the applicable standard with edition year. All calculations run locally on your device. No internet, no account, no data collection. Designed for the job site. Attach up to 3 photos per calculation. Document panels, equipment, and site conditions alongside your results. Compare up to 20 scenarios side-by-side. Run the same calculator across different…from bytecovesoftware.com
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