Appliance Energy Calculator
Track energy usage & save money
Select Appliance
Usage Details
Cost Breakdown
CO2 Emissions
Cost Distribution
Energy Usage
Appliance Wattage Database
Appliance Energy Comparison
Compare energy usage and costs of common household appliances (based on average daily usage)
Monthly Cost Comparison
Energy Usage Comparison
Energy Saving Tips
LED Bulbs
Switch to LED bulbs to save up to 80% on lighting costs
Unplug Devices
Unplug devices when not in use to avoid phantom energy drain
Efficient Appliances
Choose Energy Star rated appliances for better efficiency
Smart Scheduling
Run high-energy appliances during off-peak hours
Understanding Appliance Energy Usage
Understanding how much energy your appliances consume is the first step to reducing your electricity bill and environmental impact. This calculator helps you calculate the energy consumption (kWh), cost, and CO2 emissions for any appliance based on its wattage and usage pattern.
How to Calculate Energy Usage
The formula for calculating energy consumption is simple:
- Daily Energy (kWh): Watts × Hours per Day ÷ 1000
- Monthly Energy (kWh): Daily kWh × Days per Month
- Cost: Energy (kWh) × Electricity Rate ($/kWh)
- Example: 100W bulb × 5 hours/day = 0.5 kWh/day = 15 kWh/month
Common Appliance Wattage
Here are typical wattage ratings for common household appliances:
- LED Light Bulb: 9-12W (vs 60W incandescent)
- Refrigerator: 100-400W (runs intermittently)
- Air Conditioner: 1000-3500W
- Washing Machine: 400-1400W
- Dryer: 1800-5000W
- TV (LED): 30-150W
- Computer: 150-300W
- Microwave: 600-1200W
Energy Saving Tips
Reduce your energy consumption and save money with these tips:
- Switch to LED: LED bulbs use 80% less energy than incandescent
- Unplug devices: Phantom loads can account for 5-10% of energy use
- Energy Star appliances: Choose efficient appliances with Energy Star rating
- Smart power strips: Automatically cut power to devices in standby
- Cold water wash: Wash clothes in cold water to save heating energy
- Air dry dishes: Turn off heated dry on your dishwasher
- Programmable thermostat: Automatically adjust temperature when away
Using This Calculator
Follow these steps:
- Step 1: Select your appliance from the list or enter custom wattage
- Step 2: Enter hours used per day
- Step 3: Enter days used per week
- Step 4: Enter your electricity rate ($/kWh)
- Step 5: Click "Calculate" to see energy usage and costs
- Step 6: View daily, monthly, and yearly costs
- Step 7: Check CO2 emissions and energy saving tips
More Home & Energy Calculators
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