Load Calculator

Circuit Load Calculator

Estimate electrical circuit loads right in your browser

This calculator is a planning aid only. It estimates electrical load locally in your browser and does NOT replace professional electrical engineering advice. Always consult a licensed electrician before making electrical installations.

⚡

Voltage

Select Voltage

💡

Common Appliances

Refrigerator/Freezer

Sump Pump

Water Pump (1/3 HP)

Furnace Fan (1/2 HP)

Space Heater

Heat Pump

Dehumidifier

Window AC

Central AC (10k BTU)

Central AC (24k BTU)

Central AC (40k BTU)

Microwave

Coffee Maker

Electric Oven

Dishwasher (Hot Dry)

Washing Machine

Gas Clothes Dryer

Electric Clothes Dryer

Deep Freezer

Garage Door Opener (1/3 HP)

Electric Water Heater

✎

Custom Appliances

📈

Diversity Factor

Diversity Factor (%)

Estimated percentage of total load that will be active simultaneously.

Estimated Load

0 Watts

0 Amps