Electricity Cost Calculator

Find out exactly what any appliance costs to run per hour, per month and per year.

Electricity Cost Calculator
Electricity Cost Calculator
Monthly cost
$21.6
Annual cost
$259.2
Daily cost
$0.72
Daily kWh consumed
4.5 kWh
Updates instantly · formula below

How to use this electricity cost calculator

  1. 1Find wattage on the appliance label or manual.
  2. 2Enter daily hours of use.
  3. 3Check your electricity bill for rate — US average is ~$0.16/kWh.
Formula

How it's calculated

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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