Electricity Cost Calculator
Calculate the electricity cost of any appliance or device. Find out daily, monthly, and yearly energy costs based on wattage and usage.
Inputs
watts
hrs/day
days
$/kWh
Results
Monthly Cost
$31.20
Daily Cost$1.04
Yearly Cost$379.60
Monthly Usage240 kWh
Yearly Usage2,920 kWh
How to Use This Calculator
- Enter your monthly electricity consumption in kWh from your utility bill.
- Input your electricity rate in $/kWh (check your bill or your utility's rate schedule).
- Set any fixed monthly charges or demand charges.
- Review the total monthly and annual electricity cost.
- Use the result to evaluate energy efficiency investments and compare utility rate plans.
Ad Placeholder
Formula
Cost = (Watts ÷ 1000) × Hours × Days × Rate per kWh. 1 kWh = 1,000 watts used for 1 hour.Related Calculators
Solar Panel Savings Calculator
Calculate solar panel savings, payback period, and return on investment. Includes federal tax credits, production estimates, and 25-year projections.
Carbon Footprint Calculator
Estimate your annual carbon footprint from driving, electricity, heating, and air travel. Compare to US and world averages.
Water Usage Calculator
Estimate your daily, monthly, and annual water usage and cost. Identify which activities use the most water.
Ad Placeholder