Last updated: June 1, 2026

Electricity Cost Calculator

Calculate how much an appliance costs to run per day, month, and year.

Device Wattage (W)

Hours Used Per Day

Electricity Rate ($/kWh)

US average: ~$0.12/kWh

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Check the label on the appliance, the manual, or look it up online. Common examples: LED bulb 10W, refrigerator 150W, AC unit 1500W.

The US average is about $0.12-0.16 per kWh, but varies significantly by state.