Trade Calculators
Free tools built for HVAC techs, electricians, plumbers, and general contractors. No sign-up required.
HVAC Load Calculator
Coming soonEstimate heating and cooling loads based on square footage, insulation, and climate zone.
Electrical Wire Size
Coming soonDetermine the correct AWG wire size for your circuit based on amperage and run length.
Plumbing Pipe Sizing
Coming soonCalculate optimal pipe diameter for water supply lines based on fixture units and pressure.
Material Cost Estimator
Coming soonQuickly estimate material costs for common trade jobs with regional pricing adjustments.
Markup & Margin
Coming soonConvert between markup and margin percentages. Know exactly what your pricing means.
Labor Hour Calculator
Coming soonBreak down job hours by task and trade to build accurate labor estimates.