Computer Monitor Energy Calculator (Cost and kWh Usage)

Computer Monitor

Computer monitors are essential for many people today. Whether it’s for work or entertainment, they allow us to view digital content with ease. However, they consume a significant amount of energy, which impacts the environment and our wallets.


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.

The average computer monitor uses around 25 watts of power per hour, which may not seem like much. However, if you use your monitor for several hours each day, the energy consumption adds up quickly. The energy consumed by a monitor is primarily used to power the display and the backlighting.

Importance and Relevance

Energy consumption is an increasingly important issue, with the world’s population and energy needs growing rapidly. As individuals, we have a responsibility to reduce our energy consumption and minimize our carbon footprint. Additionally, reducing energy consumption can help lower our energy bills, which can have a significant impact on our monthly budget.

Cost in Dollars of Energy Usage

Calculating the cost of using a computer monitor is relatively straightforward. We start by multiplying its wattage by the number of hours it is in use, then multiply that by the energy price per kilowatt-hour.

For example, let’s assume we use our monitor for 4 hours per day, every day in a month:

Energy usage per day: 4 hours x 25 watts = 100 watt-hours
Energy usage per month: 100 watt-hours x 30 days = 3000 watt-hours or 3 kilowatt-hours (kWh)
Monthly cost: 3 kWh x $0.12/kWh = $0.36

So, the monthly cost of using our monitor comes out to $0.36. Over a year, the cost would be $4.32 ($0.36 x 12). While this may not seem like much, it adds up over time, especially when using multiple monitors or other energy-consuming devices.

Money Saving Tips

There are many ways to reduce energy consumption and save money when using a computer monitor. Here are some tips:

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