# How much power does a desktop computer use?

The power consumption of a computer varies depending on whether it is a desktop or a laptop: A desktop uses an average of 200 W/hour when it is being used (loudspeakers and printer included). A computer that is on for eight hours a day uses almost 600 kWh and emits 175 kg of CO2 per year.

Regarding this, how much electricity does a computer use per day?

You use it for two hours a day, five days a week. That’s 105 watts x 10 hours/week x 52 weeks/year = 54,600 watt-hours, or 54.6 kWh. If you’re paying 10¢ per kilowatt-hour, then you’re paying about \$5.50 a year to run your computer. That’s quite a range, \$5.50 to \$631 a year.

How much does 800w cost to run?

Electric Heating Electricity Cost CalculatorPower RatingPer HourPer Day*800W12.33p 800W£0.74 4.8kWh1000W (1kW)15.41p 1000W£0.92 6kWh1200W (1.2kW)18.49p 1200W£1.11 7.2kWh1500W (1.5kW)23.11p 1500W£1.39 9kWh

How much is the average PC?

A new study shows that, on average, the cost of a Windows PC is half that of an Apple computer. According to data collected by the NPD group, the average Windows notebook goes for \$700, while the average Apple laptop costs above \$1,500, dropping a mere \$59 in the last two years.

## How much electricity does the average home use?

In 2016, the average annual electricity consumption for a U.S. residential utility customer was 10,766 kilowatthours (kWh), an average of 897 kWh per month. Louisiana had the highest annual electricity consumption at 14,881 kWh per residential customer and Hawaii had the lowest at 6,061 kWh per residential customer.

## How much power does a photocopier use?

Laser printers are similar to small photocopiers and so have a similar energy consumption. Power consumption on stand-by mode could be 25 to 60 Watts, while power consumption when printing could be 150 to 1,100 Watts. Much of the advice which applies to photocopiers therefore also applies to laser printers.

## What is the power consumption of a desktop computer?

A typical desktop computer uses about 65 to 250 watts. To find the figure for your particular computer you can contact the manufacturer (not me), or see my section on measuring electrical use. Add another 20-40 watts for an LCD monitor, or about 80 watts if you have an old-school 17″ CRT.

## How many watts per hour does a computer use?

The power consumption of a computer varies depending on whether it is a desktop or a laptop: A desktop uses an average of 200 W/hour when it is being used (loudspeakers and printer included). A computer that is on for eight hours a day uses almost 600 kWh and emits 175 kg of CO2 per year.

## How many watts are in a fan?

Fans range in size from 36 inches to 56 inches using 55 to 100 watts, a typical 48 inch ceiling fan will use 75 watts. Click calculate to find the energy consumption of a 48 inch ceiling fan using 75 Watts for 3 hours a day @ \$0.10 per kWh.

## How many watts is a phone charger?

Cell phones, mobile phones, even smart phones and tablets are very energy efficient because they are designed to run on a battery for a long period of time. Cell Phones use approximately 2 to 6 watts when charging, while a charger left plugged in without a phone will consume 0.1 to 0.5 of a watt.

## How much does it cost to run a computer 24 7?

Electricity ranges from about 10 cents per KWH to 20 cents in the US. So the laptop on 24/7 would cost \$32.40 at 10 cents and \$64.80 per year at 20 cents. The desktop on 100% full power 24/7 would cost about \$193 to \$386.

## How much electricity does a refrigerator use per day?

fridge uses 1400 kWh a year, while a modern energy-efficient model uses only 350 kWh — a whopping 75% reduction. At 15¢ kWh, trading in a pre-1986 fridge for a new efficient one would save about \$158 a year in electricity costs. And some older fridges are even worse than the average.

## How much electricity is consumed by laptop?

At an average price of 12 cents that means that your phone uses about one quarter’s worth of electricity per year. As for your iPad, keeping it fed costs just \$1.36 a year, according to the Electric Power Research Institute. Your average laptop, with its far bigger screen, uses about 72 kWh, costing some \$8 a year.

## How many watts is an air conditioner?

Central Air Conditioner – 3500 Watts. Central A/C Fan Only – Compressor Off – 750 Watts. Largest Window Units – 1440 Watts. Medium Window Unit – 900 Watts.

## How much does a light bulb use electricity?

An incandescent light bulb costs about 50 cents and lasts about 750 hours. If you were to leave a 100-watt bulb burning for 24 hours each day, 365 days per year, it would use 876 kilowatt hours per year. (1000 watts equals one kilowatt – “kilo” means a thousand.) A kilowatt-hour of electricity costs about 15 cents.

## How much does a fan use in electricity?

At the midpoint, 70 watts, if a kilowatt costs 10 cents per hour, the fan would cost 0.7 cents per hour (0.07 kwh x 10 cents). Extend that out to a month and it works out to \$5.04 per month if it runs around the clock (0.7 cents per hour x 24 hours x 30 days). Two fans would be just over \$10 per month.

## How many watts is a desktop computer?

A desktop computer uses between 60 and 250 watts, depending on whether it is idle. A laptop consumes 15 to 45 watts. A 22-inch LCD monitor uses an average of 25 watts, while an older 17-inch cathode ray monitor would use about 80 watts.

## How much electricity does a TV use in a day?

How much electricity does my television use? Most TV’s use about 80 to 400 watts, depending on the size and technology. Using a sample cost of 15¢ per kilowatt-hour and five hours of viewing a day, that’s \$1.83 to \$9.13/mo. (\$22 to \$110 per year). Below you’ll find energy usage information for different models.

## How many watts does a laptop computer use?

Depends on your adapter. If it is a 65 Watt adapter(which most 15 inch laptops are), then maximum that it can use is 65 Watts. 17 inch laptops usually have 90 Watt adapters. There are many factors that determine how much it uses, like how powerful your graphics card is, CPU, etc.

## How many watts does a dishwasher use?

Modern dishwashers are energy efficient and do not use a lot of water. Dishwashers use between 1200 and 2400 watts of power, with an average dishwasher using 1800 watts. Click calculate to find the energy consumption of a dishwasher using 1800 Watts for 1 hour a day @ \$0.10 per kWh.

## How much power does a laptop computer use?

This is on the low end of power consumption for a laptop. Over an hour of usage it uses 12 Wh of electricity, which is 83 hours of use per kWh. With an average cost of electricity of 12c/kWh, this means that for \$1 in electricity I can run my laptop for 651 hours.

## How much electricity does the air conditioner use?

An average central ac will use 3000 to 5000 watts of power every hour for around 9 hours a day during the hotter months. Click calculate to find the energy consumption of a central air conditioner using 3500 Watts for 3 hours a day @ \$0.10 per kWh.

## How many watts is a router?

This can only be calculated if you know what the wattage of your network router is. Yours could consume anything from 2 to 20 watts, although the average is around 6. Taking a standard rate of 21.63 cents per kilowatt hour, you can therefore expect your Wi-Fi router to cost around \$0.0311 per day to operate.

## How many watts are in a kwh?

Convert to Kilowatts. But electricity is measure in kilowatt hours on your electricity bill. Since we know that 1 kilowatt is equal to 1,000 watts, calculating how many kWh a particular device uses is as easy as dividing by 1,000.

Originally posted 2022-03-31 04:18:55.

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