Electricity Usage Calculator User Guide
Use our free online electricity calculator to quickly calculate how much energy any appliance consumes. Simply enter the power and usage time.
Formula
- Energy (kWh) = Power (kW) × Time (hours)
- 1 kWh = 1 unit of electricity (used for billing)
Common Appliance Power Reference
| Appliance | Power Range (W) | Daily Usage (h) |
|---|---|---|
| LED Light | 5-20 | 3-5 |
| Refrigerator | 100-200 | 24 (intermittent) |
| Air Conditioner (1.5 ton) | 1000-1500 | 4-8 |
| TV | 80-200 | 3-5 |
| Water Heater | 1500-3000 | 1-2 |
| Washing Machine | 300-500 | 1 per use |
Energy Saving Tips
- Each 1°C increase in AC temperature saves 6-8% energy
- Clean AC filters regularly for efficiency
- Unplug unused chargers to avoid standby power
- Choose energy-efficient appliances (Energy Star rated)
Calculate your appliance energy consumption and start saving on electricity bills today!