1. What is the Electric Energy Formula?

The electric energy formula (E = P × t) calculates the amount of electrical energy consumed, where E is energy in kilowatt-hours (kWh), P is power in kilowatts (kW), and t is time in hours.

2. How Does the Calculator Work?

The calculator uses the electric energy formula:

Where:

• \( E \) — Electric energy (kWh)
• \( P \) — Power (kW)
• \( t \) — Time (hours)

Explanation: This formula calculates the total energy consumption by multiplying power usage by the duration of usage.

3. Importance of Electric Energy Calculation

Details: Calculating electric energy consumption is essential for energy management, cost estimation, electrical system design, and environmental impact assessment.

4. Using the Calculator

Tips: Enter power in kilowatts (kW) and time in hours. Both values must be positive numbers. For accurate results, use consistent units throughout the calculation.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between kW and kWh?
A: kW (kilowatt) measures power (rate of energy use), while kWh (kilowatt-hour) measures energy (total consumption over time).

Q2: How do I convert watts to kilowatts?
A: Divide watt value by 1000 (1 kW = 1000 W). For example, 1500W = 1.5kW.

Q3: Can I use minutes instead of hours?
A: Yes, but you must convert minutes to hours (divide by 60). For example, 30 minutes = 0.5 hours.

Q4: What is a typical household energy consumption?
A: Varies widely, but average US household uses about 900 kWh per month, or 30 kWh per day.

Q5: How accurate is this calculation for real-world applications?
A: The formula provides theoretical energy consumption. Actual consumption may vary due to efficiency losses, power fluctuations, and other factors.