Clothes Washer Energy Calculator (Cost and kWh Usage)

Clothes Washer

Clothes washers are a common appliance used in households worldwide. They are essential in keeping our clothes clean and fresh. However, have you ever wondered how much energy they consume and what impact it has on your monthly bill? In this article, we will explore the energy consumption and costs associated with using a clothes washer. We will also provide money-saving tips to help you save on your energy bill.


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 clothes washer varies depending on the model and features. On average, a clothes washer uses 1150 watts per cycle. This includes the energy used to power the motor, the heating element, and the control panel. The energy consumption can be higher or lower depending on the size of the load and the temperature of the water.

To put this into perspective, a clothes washer running for one hour will use 1.15 kWh of energy. This is equivalent to leaving four 60-watt light bulbs on for one hour or running a hairdryer for 15 minutes.

Why It Is Important

Understanding the energy consumption of your household appliances is crucial in managing your energy usage and reducing your carbon footprint. Energy consumption also affects your monthly bill, and reducing your usage can save you money in the long run.

Cost in Dollars of Energy Usage

The cost of energy usage depends on the current energy price in your area. Using the default of $0.12/kWh, we can calculate the cost of running a clothes washer. For example, if you run your clothes washer for one hour per day for a month, you will consume 34.5 kWh of energy, costing you $4.14 per month. If you run your clothes washer for one hour per day for a year, you will consume 419 kWh of energy, costing you around $50 per year.

The formula to calculate the cost of running a clothes washer is as follows:

Cost = Energy Consumption (kWh) x Energy Price ($/kWh)

Money Saving Tips

  1. Use cold water: Heating water accounts for a significant portion of energy consumption. Using cold water can reduce your energy usage by up to 90%.
  2. Run full loads: Running a full load of laundry uses the same amount of energy as running a half load. Wait until you have a full load before running your clothes washer.
  3. Use a high-efficiency washer: High-efficiency washers use less water and energy than traditional washers. Consider upgrading to a high-efficiency washer when it is time to replace your old one.
  4. Air dry your clothes: Using a clothes dryer can consume a lot of energy. Air drying your clothes outside or on a drying rack can significantly reduce your energy usage.

By following these money-saving tips, you can reduce your energy usage and save money on your monthly bill.


Clothes washers are a necessary appliance in our daily lives. However, they can consume a lot of energy and impact our monthly bill. Understanding the energy consumption and costs associated with using a clothes washer is essential in managing our energy usage and reducing our carbon footprint. By following our money-saving tips, you can reduce your energy usage and save money in the long run.

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