1. What is Energy Consumption?

Energy consumption refers to the amount of energy used by electrical devices over a period of time. It is typically measured in kilowatt-hours (kWh) and represents the total energy consumed by an appliance or system.

2. How Does the Calculator Work?

The calculator uses the fundamental energy consumption formula:

Where:

• \( E \) — Energy consumption (kWh)
• \( P \) — Power (kW)
• \( t \) — Time (hours)

Explanation: This formula calculates the total energy consumed by multiplying the power rating of the device by the duration of operation.

3. Importance of Energy Calculation

Details: Calculating energy consumption is essential for understanding electricity costs, managing energy usage, estimating environmental impact, and planning energy-efficient solutions.

4. Using the Calculator

Tips: Enter power in kilowatts (kW) and time in hours. For devices rated in watts, divide by 1000 to convert to kilowatts. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: How do I convert watts to kilowatts?
A: Divide the wattage by 1000. For example, 1500 watts = 1.5 kW.

Q2: What is a typical energy consumption for household appliances?
A: Refrigerators use 100-400 kWh/month, LED bulbs use 5-15 kWh/month, while air conditioners can use 500-1500 kWh/month depending on usage.

Q3: How does this relate to electricity bills?
A: Electricity companies charge per kWh consumed. Multiply the energy consumption by your electricity rate to estimate costs.

Q4: Can I use this for multiple devices?
A: Calculate each device separately and sum the results for total energy consumption.

Q5: What factors affect energy consumption accuracy?
A: Actual consumption may vary due to device efficiency, power fluctuations, standby power, and usage patterns.