Electricity Cost Calculator
Find out exactly what any appliance costs to run per hour, per month and per year.
Monthly cost
$21.6
Annual cost
$259.2
Daily cost
$0.72
Daily kWh consumed
4.5 kWh
Updates instantly · formula shown below
How to use this electricity cost calculator
- Find wattage on the appliance label or manual.
- Enter daily hours of use.
- Check your electricity bill for rate — US average is ~$0.16/kWh.
Formula
kWh/day = watts ÷ 1,000 × hours/day. Cost = kWh × electricity rate ($/kWh).
About the Electricity Cost Calculator
A typical US household spends $1,500–$2,000/year on electricity. Your biggest driver isn't the lights — it's HVAC (47%), water heating (18%) and large appliances (14%). Knowing each device's cost lets you prioritize where to cut.
Frequently asked questions
+What are the most expensive appliances?
Electric water heaters ($40–$60/mo), HVAC ($50–$100+/mo), electric dryers ($20–$40/mo), refrigerators ($10–$20/mo).
+How can I reduce my electricity bill?
Switch to LED bulbs, set AC 2°F warmer, use cold water for laundry, unplug standby devices (vampire load = 5–10% of your bill).
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