Tool • Smart Home Energy
Electricity Cost Estimator
Estimate the electricity cost of a single appliance from watts, hours and rate.
How to use this tool
Enter reasonable estimates and use the result as a starting point for questions. The output is simplified and should not be treated as a quote, design or engineering calculation.
Why estimates vary
Real-world results depend on equipment, installation, climate, utility rates, building condition, local codes and usage patterns.
Important: Home energy upgrades can involve electrical work, permits, building codes, utility rules and safety risks. Use this page as a planning aid and confirm details with licensed professionals and official documents.