1/2 HP Furnace Fan 3. You should check the appliance for actual ratings. In some circumstances, e.g., high-end graphics cards, SLI, or Crossfire, we advise users purchase a higher wattage than the recommendation to avoid potential problems. Energy Use Calculator offers electricity usage calculators for various devices. Our appliance and electronic energy use calculator allows you to estimate your annual energy use and cost to operate specific products. Once you have added all the items you need to power, you can find your Total Running Watts by adding up the Running Watts for all of the items you will be powering. Allow 2 times the listed running watts for starting these devices. The wattage values provided are samples only; actual wattage of products varies depending on product age and features. (the number of hours you use it per day) x (the number of days uses) x ([wattage of the electrical appliance in watt] / 1,000) = kWh(energy consumed by appliance) If you want to calculate the monthly power consumption by your electrical device then the number of days use=30. Many appliances have a range of settings, so the actual amount of power an appliance … Calculate Electricity Usage. You may also want to consider using an inverter generator for sensitive electronic devices. Refrigerator/Freezer 2. Very seldom are all tools or appliances operating simultaneously. Calculate your Total Running Watts and record your highest Starting Watts. For example, a 1000 watt electric iron running for one hour will consume (1000 watt X 1 hour) 1000 watt hour or 1 kilowatt hour (kWh) of electricity. Your highest Starting Watts is the largest number in the column of all the Starting Watts in the chart. Lights (6 x 75 watts… To find the energy cost of your appliance, select a device from the list below. Knowing how much energy each device in your home uses can help you better manage your energy use and save money on your bills. Television — 5. Appliance Watts/Amps Calculator Electricity is measured in units of energy called watts, named after James Watt, the inventor of the steam engine. Watts is generally defined as the amount of power (or energy) an appliance uses (consumes) when operated at its maximum capacity for 1 hour . The wattage of most appliances is usually stamped on the bottom or back of the appliance, or on its nameplate. Allowing you to calculate the electrical cost of your home appliances, and helping you save power consumption costs. The power P in watts (W) is equal to the voltage V in volts (V) times the current I in amps (A): The power P in watts (W) is equal to the squared voltage V in volts (V) divided by the resistance R in ohms (Ω): The power P in watts (W) is equal to the squared current I in amps (A) times the resistance R in ohms (Ω): Ohm's law calculator Please note that the Wattage Calculator only provides an indication of the minimum power that your system requires. watts and 4500 total starting watts. Wattage Calculator . Select Appliance Size Power in watts Hrs / day Total kWh Select AC, Window – 10k BTU AC, Window – 12k BTU AC, Window – 6.5k BTU Cell phone charger Clothes Dryer – Gas Clothes Dryer – Electric Coffee Maker Computer w/17 in. HIGHEST ADDITIONAL STARTING WATTS 1550 RUNNING WATTS 2950 TOTAL 4500 STARTING WATTS = + Tool or Appliance Running (Rated) Watts Additional Starting (Surge) Watts 1. The wattage listed is the maximum power drawn by the appliance. Calculate how much power your system needs by entering your setup. monitor De-Humidifier Dishwasher - Cool Dry Dishwasher - … Appliance Calculator Appliances and lighting can account for almost 20% of an average family’s annual energy use. Deep Freezer 4. Enter a wattage value for your own product for the most accurate estimate. These are approximate values only. To calculate power consumption of any appliance, you have to multiply it’s wattage by the number of hours it is being used (operational hours). There are different categories to consider when choosing a generator for your needs: recreation, home standby and construction. Listed is the largest number in the column of all the Starting Watts product for the accurate... The appliance, select a device from the list below and record your highest Starting Watts values provided are only... Is measured in units of energy called Watts, named after James Watt, the inventor of the power. 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