Energy Cost Calculator
Calculate electricity costs for appliances and devices. Analyze daily, monthly, and yearly energy consumption costs with different billing methods and tariff rates.
Energy Cost Analysis
Energy Cost = Power × Time × Rate
Cost = (Watts ÷ 1000) × Hours × Rate per kWh
Cost = (Watts ÷ 1000) × Hours × Rate per kWh
Power Rating
Device wattage
Usage Time
Hours per day
Electricity Rate
Cost per kWh
About Energy Cost Calculation
Understanding energy costs helps you make informed decisions about appliance usage, energy efficiency upgrades, and electricity consumption patterns.
Key Factors Affecting Energy Costs:
- Power Rating: Higher wattage = higher consumption
- Usage Time: More hours = higher costs
- Electricity Rates: Varies by location and time
- Efficiency: Energy Star appliances use less power
Common Appliance Power Ratings:
- LED Light Bulb: 8-12W
- Laptop Computer: 50-100W
- Refrigerator: 100-400W
- Air Conditioner: 1000-3000W
- Electric Water Heater: 3000-4500W
Money-Saving Tips:
- Use energy-efficient appliances
- Unplug devices when not in use
- Use programmable thermostats
- Take advantage of off-peak rates
- Regular maintenance of appliances