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Electricity Calculator
Calculate electricity consumption and cost in kWh. Find how much appliances cost to run and estimate monthly electricity bills.
Watts
US average: $0.13/kWh · UK: ~$0.28 · Australia: ~$0.25
Daily kWh12 kWh
Monthly kWh360 kWh
Cost Per Day$1.56
Cost Per Month$46.80
Cost Per Year$569.40
How to Use the Electricity Calculator
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia, Europe. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
How do I calculate electricity costs?
Cost = Power (kW) × Time (hours) × Rate ($/kWh). A 1,500W heater running 8 hours at $0.13/kWh = $1.56 per day.