FieldCalc Pro
28 code-compliant calculators for electricians, HVAC technicians, and contractors. NEC, ASHRAE, and IRC references built in. Designed for the job site.
28 code-compliant calculators for electricians, HVAC technicians, and contractors. NEC, ASHRAE, and IRC references built in. Designed for the job site.
Every calculator references the applicable code standard. Results you can trust on the job site, offline, with no account required.
NEC code references
ASHRAE code references
IRC & ACI code references
FieldCalc Pro is designed for tradespeople who need accurate answers on site, fast.
All calculations run locally on your device. No internet connection required, no account needed.
Save calculations to projects organized by job. Track every result by client, job number, and address.
Generate professional reports with your company name and license number. Share or print from the job site.
Every calculator cites the applicable standard: NEC for electrical, ASHRAE for HVAC, IRC and ACI for construction.
Switch between unit systems with one tap. All inputs and outputs convert automatically.
Large touch targets, haptic feedback, and dark mode. Designed for gloves and sunlight.
Start free with 9 calculators. Upgrade to Pro for full access.
Subscriptions auto-renew. Cancel anytime in your Apple ID settings.