Electricity Cost Calculator
Add your appliances to estimate daily, monthly, and annual electricity costs.
$/kWh
National avg ≈ $0.13/kWh| Appliance | Watts | Hrs/Day | Daily kWh | Daily Cost | Monthly Cost | Annual Cost |
|---|
Daily Cost
$0.00
0 kWh/day
Monthly Cost
$0.00
0 kWh/mo
Annual Cost
$0.00
0 kWh/yr
How Electricity Costs Are Calculated
The formula is straightforward: kWh = Watts × Hours ÷ 1000. Multiply daily kWh by your electricity rate to get the daily cost, then scale to monthly (× 30) and annual (× 365) figures.
The US national average electricity rate is approximately $0.13/kWh, but rates vary widely by state — from around $0.10/kWh in Louisiana to over $0.30/kWh in Hawaii and California. Check your utility bill for your exact rate.
Large appliances like central AC, electric water heaters, and electric dryers are typically the biggest contributors to a home electricity bill. Switching to energy-efficient models or reducing usage hours can significantly cut costs.