Free trade calculators

Free Calculators for Trades Professionals

Sizing, material, and pricing tools built for the trades TradesQuote supports. Pick a category to browse free calculators — instant results in your browser, no account required. HVAC is live now; more trades are on the way.

HVAC

32 calculators

Sizing, airflow, diagnostics, psychrometrics, ventilation, humidity control, efficiency, and cost — BTU load, tonnage, unit converter, heat pump & mini-split sizing, furnace BTU, CFM, duct size, Delta T, static pressure, superheat & subcooling, refrigerant charge, dew point, sensible & latent heat, fan laws, ventilation, humidity control, SEER, HSPF & AFUE savings, operating cost, replacement cost, and job pricing.

Browse calculators

Carpentry

Coming soon

Board feet, lumber takeoffs, framing estimates, and material quantities for carpentry jobs.

Planned for a future release

Painting

Coming soon

Coverage per gallon, wall and ceiling area, and paint quantity estimates for interior and exterior jobs.

Planned for a future release

Cleaning

Coming soon

Square-foot pricing, labor hours, and supply estimates for residential and commercial cleaning jobs.

Planned for a future release

Electrical

Coming soon

Wire gauge, circuit load, conduit fill, and voltage drop calculators for electrical installations.

Planned for a future release

Plumbing

Coming soon

Pipe sizing, flow rate, drainage slope, and fixture unit calculations for plumbing systems.

Planned for a future release

Calculators plan the job. TradesQuote prices it.

Once you have your numbers, the real work is the quote. Describe the job or upload photos, and TradesQuote's AI builds a detailed line-item estimate — quantities, unit prices, and totals — validated by a built-in quality control agent.