Appliance Electricity Cost Calculator
Calculate the exact electricity cost of any home appliance.
Enter wattage, daily usage hours, and your electricity rate to find daily, monthly, and annual costs.
Electricity Cost
Electricity Cost Formula
kWh per Day = (Watts × Hours per Day) ÷ 1,000 Daily Cost = kWh per Day × Rate ($/kWh) Monthly Cost = Daily Cost × 30.4 Annual Cost = Daily Cost × 365
The average US electricity rate is about $0.16 per kWh (varies by state). To find your rate, check your utility bill — it is listed as “cents per kWh” or “$/kWh.”