5 reference charts

EV & energy reference charts.

Look-up tables to go with the calculators — wattages, wire sizes, and the numbers you need at a glance.

EV

What a full charge costs at home for popular EV models, with real battery and efficiency specs.

Compare every EV's battery size, EPA range, efficiency, and DC fast-charging speed in one sortable table.

Typical running and starting watts for common household appliances — and what each costs to run.

NEC wire gauge and breaker sizing reference — ampacity by AWG and the right breaker and copper wire for common loads.

Plain-English definitions of EV charging, electrical (NEC), heat pump, energy, and finance terms used across our calculators and guides.