Built by MEP Engineers, for MEP Engineers

MEP calculations that just work

23 engineering calculators built on NEC, ASHRAE, and ASPE standards. Faster than Excel, cheaper than legacy tools, and works on any device.

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23
Calculators
6
Code Standards
<1s
Results
E

Electrical

Wire sizing, voltage drop, load calcs, panel schedules, motor FLA, fault current, lighting PD

H

HVAC

Heating & cooling loads, duct sizing, ventilation (ASHRAE 62.1), air changes per hour

P

Plumbing

Pipe sizing, gas pipe, drain slope, water heater, hydronic pipe, fixture units

Why not just use Excel?

You can. But MEP Calc gives you cloud-based, code-compliant calculations with no file corruption, no version control nightmares, and no formulas someone wrote 10 years ago. At less than the cost of one billable hour per month.

✓Built on current NEC, ASHRAE, ASPE standards
✓Works on phone, tablet, or desktop
✓PDF export for permit submittals
✓Shareable calculation links
✓Project settings (derating, altitude, margins)
✓No install, auto-updates with code changes

Ready to ditch the spreadsheets?

30-day free trial. No credit card required. Cancel anytime.

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© 2026 MEP Calc. All calculations reference published engineering standards. Not a substitute for professional engineering judgment.
Part of MEP Suite
5 apps for MEP engineers — calculations, submittals, punch lists, spec review, proposals
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