Electricity Cost Calculator
What any appliance costs to run per day, month and year.
Enter your values
ⓘ Live results
Results
- Cost per day
- $0.96
- Cost per month
- $29.22
- Cost per year
- $350.4
- Energy per year
- 2190 kWh
- Cost per hour of use
- $0.24
Quick answer
Running cost is watts ÷ 1000 × hours × price per kWh.
Cost = (W ÷ 1000) × hours × rate
How to use the Electricity Cost Calculator
- 1Find the wattage on the appliance label.
- 2Estimate daily hours of use.
- 3Enter your electricity rate per kWh.
Worked example
Using the values the calculator loads with:
Inputs
- Appliance wattage1500 W
- Hours used per day4 hrs
- Electricity rate0.16 $/kWh
Results
- Cost per day$0.96
- Cost per month$29.22
- Cost per year$350.4
- Energy per year2190 kWh
- Cost per hour of use$0.24
Frequently asked questions
What uses the most electricity at home?
Heating and cooling, then water heating, then the dryer and oven. Standby electronics are a small but constant drain.
How do I find my kWh rate?
It is printed on your utility bill — divide total charges by kWh used for the true all-in rate.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.