Appliance Energy Cost Calculator

Calculate energy cost for individual appliances. Compare with efficient alternatives to find savings.
hrs
$/kWh

Daily Cost

$0.17

Monthly Cost

$5.04

Annual Cost

$61.32

Energy Usage

Wattage150W
Daily Usage1.20 kWh
Monthly Usage36.0 kWh
Annual Usage438 kWh
Daily Cost$0.17
Monthly Cost$5.04
Annual Cost$61.32

Efficient Alternative: Energy Star fridge

Current Wattage150W
Efficient Wattage100W
Current Annual Cost$61.32
Efficient Annual Cost$40.88
Annual Savings$20.44
Energy Saving Tip: Keep coils clean and set temperature to 37-40F for optimal efficiency.

Use the Appliance Energy Cost Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Uncover the true cost of running your household appliances with our Energy Cost Calculator. By entering simple details like wattage and usage, you can pinpoint energy hogs and compare them against more efficient 2026 models, potentially saving hundreds annually. This tool empowers you to make informed decisions for a greener and more affordable home.

Our calculator uses the formula: (Appliance Wattage / 1000) * Hours Used Per Day * Days Used Per Year * Cost Per kWh. We leverage an average 2026 residential electricity rate of $0.17 per kilowatt-hour (kWh), though you can customize this for your specific region to ensure maximum accuracy.

Don't just estimate usage; check appliance manuals for actual wattage or use a kill-a-watt meter for precise readings. A common mistake is underestimating standby power, which can add up significantly over time. Remember that older appliances are often far less efficient than their modern 2026 counterparts.

Example: Refrigerator vs. Efficient Alternative

  1. 1 Input: Old Refrigerator (200W, running 24 hours/day, 365 days/year). New Energy Star Refrigerator (80W, running 24 hours/day, 365 days/year). Electricity cost: $0.17/kWh.
  2. 2 Calculation: Old Fridge: (200W/1000) * 24h * 365d * $0.17/kWh = $297.84/year. New Fridge: (80W/1000) * 24h * 365d * $0.17/kWh = $119.14/year.
  3. 3 Result: Your old refrigerator costs approximately $297.84 per year to operate. A new Energy Star model would cost only $119.14 annually.
  4. 4 Context: By upgrading to the Energy Star refrigerator, you could save approximately $178.70 each year on your electricity bill. Over a 10-year lifespan, this amounts to over $1,787 in savings, often recouping the cost of the new appliance.

Source: DOE · Last updated: April 2026

Frequently Asked Questions

What appliances use the most electricity?
The biggest electricity consumers are central air conditioning (about $900/year), electric water heaters ($500/year), clothes dryers ($100/year), and refrigerators ($80/year). The average US electricity rate is about 17 cents per kWh in 2026.
How much does it cost to run a space heater?
A standard 1,500-watt space heater costs about $0.26 per hour at the 2026 national average electricity rate of 17 cents/kWh. Running it 8 hours a day costs roughly $62 per month.
Does leaving appliances plugged in use electricity?
Yes, phantom or standby power from plugged-in devices costs the average household $100-$200 per year. Common culprits include TVs, game consoles, phone chargers, and cable boxes.

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