Electrical trade tools

Electrical Calculators & Tools for Electricians

Load, circuits, rates, solar, EV. Visible math.

Method

Inputs in. Math shown.

01 · Inputs

Metered kWh, tariff rates, wattage, hours. No hidden estimates.

02 · Math

Bill, rate, payback, demand. Each with its formula.

03 · Verify

Tariff sheet, meter data, AHJ. Baselines are dated.

Calculators

Calculator

Find which appliance costs you the most to run.

Outputs: Cost per day · Cost per month · Cost per year

Calculator

Compare your electric bill against the US average bill.

Outputs: Your monthly bill · US average bill · Difference vs average

Calculator

Off-grid battery bank from daily use, autonomy, and discharge depth.

Outputs: Nominal bank size · Bank amp-hours · Batteries (round up)

Private Workspace

Run the numbers free. Sign in to save projects, compare scenarios, and pull the report.