Energy Use Calculator offers electricity usage calculators for various devices. Allowing you to calculate the electrical cost of your home appliances, and helping you save power consumption costs. To find the energy cost of your appliance, select a device from the list below....
A lumen is a unit of measurement indicating the visible light output of a light source. In practical terms, lumens tell you how bright a light bulb is. Light bulbs and some lighting fixtures carry a specific lumen value. The higher the lumens, the brighter the bulb. Lighting designers often...
Since a battery changes voltage during the discharge, it isn’t a perfect measure of how much energy is stored, for this you would need watt-hours. Multiplying the average or nominal battery voltage times the battery capacity in amp-hours gives you an estimate of how many watt-hours the ...
Electric Power is the rate at which work is done. (See also:What is Work, Energy and Power?) Electric Power is the rate at which electricity does work or provides energy. TheSI unitof power is the watt, one joule per second. Electric power is usually produced by electric generators, bu...
Calculate the cost of operating a 65 W light bulb continuously for a 30-day month when electrical energy costs $0.22/kWh. Calculate the cost of operating a 65 W light bulb continuously for a 30-day month when electrical energy costs $0.23/kWh. What is the formula for the work energy the...
Starting wattage is the initial energy surge required to power something up while running wattage is the power necessary to keep it operating. However, sometimes there will only be running wattage. For example, a 60-watt light bulb requires, by definition, 60 watts of electricity to light up ...