Microwave (635W Cooking Power) Energy Calculator (Cost and kWh Usage)


Microwaves have become a staple in many households around the world. They are convenient, fast, and perfect for reheating leftovers or cooking quick meals. However, have you ever wondered how much energy a microwave consumes or how much it costs to use it? In this article, we will explore the energy consumption and cost of using a microwave with 635 watts of cooking power.


How To Use This Calculator

Using this energy calculator is a simple and will help you determine the costs of running your appliance. Click on ‘Calculate’ to use the predefined values, or enter your daily usage in hours, appliance watts, and your current energy costs in dollars. The calculator will provide you with the daily, monthly, and yearly results. It’s important to ensure the accuracy of the information entered to get the most accurate results.

Hours Used Per Day

Enter the number of hours you estimate the appliance will be on throughout the day. To use fractions of an hour please use a decimal point in the form.

For example: 1 hour and 30 mintes would be 1.5, and 3 hours and 15 minutes would be 3.25

Power Used in Watts

The calculator already includes a default average wattage. If your appliance uses a different wattage then enter it in the calculator.

Your Energy Rate in kWh

The calculator includes an average energy rate (price in $/kWh) to use for the calculation. This may not be the exact price that you’re currently paying for electricity. If you know your energy rate please enter your price per kilowatt-hour.

Energy Consumption

The energy consumption of a microwave varies depending on its wattage and how often it is used. A 635-watt microwave consumes 635 watts of power per hour of use. This may seem like a lot, but compared to other appliances, it is relatively low. For example, a clothes dryer can use up to 3,000 watts, while an air conditioner uses around 1,500 watts.

Why is it important and relevant today?

Energy consumption is an important issue today, and it is essential to consider the energy usage of the appliances we use. Understanding how much energy a microwave consumes and its impact on the environment can help us make informed decisions when buying and using appliances.

Cost in Dollars of Energy Usage

To calculate the cost of using a microwave, we need to consider the energy consumption and the current energy price. Assuming an energy price of $0.12/kWh, the cost of using a 635-watt microwave for an hour is:

635 watts x 1 hour x $0.12/kWh = $0.08

This may not seem like much, but if you use the microwave daily, the cost can add up quickly. For example, the daily cost of using a microwave for one hour is $0.08, the monthly cost is $2.29, and the yearly cost is $27.81. It’s important to note that the cost may vary depending on the energy price in your area.

Money Saving Tips

Here are some simple tips to save money while using your microwave:

  • Choose the right size: Use a microwave that is appropriate for the size of the meal you are cooking. A larger microwave uses more energy than a smaller one.
  • Use microwave-safe containers: Using the right containers can help cook food faster and more efficiently, reducing energy consumption.
  • Microwave defrosting: Defrosting food in the microwave is faster and more energy-efficient than using a conventional oven.
  • Use the microwave for small tasks: Using a microwave to cook small meals, reheat leftovers or make popcorn is more energy-efficient than using a stove or oven.
  • Clean your microwave: A dirty microwave can reduce its efficiency, leading to higher energy consumption.

By following these simple tips, you can save money on your energy bills and reduce your carbon footprint while using your microwave.

In conclusion, understanding the energy consumption and cost of using a microwave with 635 watts of cooking power can help us make informed decisions about our energy usage. By implementing some simple money-saving tips, we can reduce our energy consumption and save money at the same time. So, the next time you use your microwave, remember to think about how much energy it is consuming and try to use it efficiently.

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