Ever wondered how your electricity bill is calculated? Or how much energy your appliances are actually using? The key is understanding the difference between kW and kWh — and it’s easier than you think! Let’s break it down 😊
Table of Contents
🙋 What’s the Difference Between kW and kWh?
- kW (kilowatt) = a measure of power — how fast energy is used
- kWh (kilowatt-hour) = a measure of energy — how much energy is used over time
So, if power is like the speed of a car, then energy is like the distance traveled.
⚙️ kWh Calculator
Enter the wattage (kW) of the device or appliance and the number of hours its used for. The tool will calculate the kilowatt hour (kWh)
🧮 The Formula to Convert kW to kWh
Here’s the simple formula:
kWh = kW × Time (in hours)You just multiply the power (in kilowatts) by the number of hours the device is running.
✅ Example
Let’s say you have a 2 kW heater and you run it for 3 hours.
kWh = 2 kW × 3 hours = 6 kWh🎉 That means your heater used 6 kilowatt-hours of energy.
📌 Quick Tip
Most electricity bills are based on kWh, not kW. So when you’re checking how much energy you’re using (or how much it costs), it’s all about the kWh.
🌐 Where You’ll Use This
- Calculating home appliance energy usage
- Estimating solar panel output
- Budgeting electricity bills
- Measuring generator or battery performance
💸 Want to Estimate Cost?
You can also estimate how much it costs to run something:
Cost = kWh × Price per kWhIf your electricity rate is $0.15 per kWh, then that heater from earlier costs:
6 kWh × $0.15 = $0.90