Electricity Cost Calculator
Calculate the cost to run any appliance based on wattage and usage.
Enter your numbers and select Calculate to see results.
About This Calculator
This calculator estimates the cost of running an electrical device based on its power draw (watts), how many hours per day you use it, and your local electricity rate — useful for understanding which appliances are driving up your bill.
How This Is Calculated
Cost = (Watts ÷ 1000) × Hours Used × Electricity Rate
A 1,500-watt device used 2 hours/day at $0.16/kWh costs about $0.48/day, or roughly $14.40/month.
Assumptions
- Assumes consistent daily usage; actual costs vary with real-world usage patterns.
- Uses a flat electricity rate; some utilities charge tiered or time-of-use rates that would change actual costs.
Frequently Asked Questions
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Last updated January 15, 2026. Results are estimates for informational purposes only — read our disclaimer.