Full Site Directory

Main calculator — size any generator by appliance load

Residential sizing with square footage guide

Standby generator sizing for full-home coverage

Emergency power planning and priority loads

Camping, RV, job site, and home backup

Estimate runtime by load, tank size, and fuel type

Compare all 4 fuel types — cost per hour to per year

Size solar panels and battery storage

Total cost of ownership over 1-20 years

Size interlock, manual, or automatic transfer switch

7-step sizing guide with HowTo schema

40+ appliances with running and surge watts

Index of all appliance-specific sizing pages

Expert-reviewed top portable picks with specs comparison

Generac, Kohler, Briggs & Stratton comparison

Honda vs Yamaha vs budget inverter comparison

How to choose the right generator — complete guide

72-hour outage planning, food safety, medical equipment

Interactive 36-item preparedness checklist