Electricity Cost Calculator
Calculate how much electricity your appliances use and cost. Get daily, monthly, and yearly estimates.
Electricity Cost Calculator
Calculate how much an appliance costs to run
Formula
Cost = (Watts × Hours × Days × Cost/kWh) ÷ 1000Converts watts to kilowatts and calculates energy cost
How to Use
- 1Enter wattage — Find the wattage on your appliance label or manual.
- 2Set usage hours — Enter how many hours per day you use the appliance.
- 3Enter electricity rate — Check your utility bill for your rate per kWh.
- 4View costs — See daily, monthly, and yearly electricity costs.
Frequently Asked Questions
How do I find my appliance wattage?
Check the label on the appliance, the manual, or search online for your model. Common examples: LED bulb (10W), refrigerator (150W), AC unit (1500W).
What is kWh?
Kilowatt-hour (kWh) is the unit of energy used by utilities. 1 kWh = using 1000 watts for 1 hour.
How do I find my electricity rate?
Check your utility bill. The average US rate is about $0.12-0.15 per kWh, but varies by location.
How can I reduce electricity costs?
Use energy-efficient appliances, unplug devices when not in use, and run high-wattage appliances during off-peak hours.