The other half of this calculation is the current. You need a larger wire to move more current. If you have a choice the higher voltage is best. These formulas are also useful in calculating AC alternating current wattage to determine the size of an inverter, which converts the DC electricity from a solar array to AC that can then be used to power lights and appliances in homes and businesses.
Appliances include a face plate which contains all of its electrical data. Lets suppose you have a microwave oven. The manufacturer will list an amp requirement on the electrical data of the face plate, which is usually attached to the back of the oven. Let's say that the rating on the face plate is 8. To calculate the watts, multiply 8. This equals watts. More powerful units, like washing machines and mini-split air conditioners , can be powered by 15 amps. How many watts is that?
More powerful electrical units can draw as much as amps. For these units, you already need amp breakers. AC stands for alternating current, when the current periodically changes direction. Power supplied to homes and businesses uses AC supply. As part of our collection of energy calculators, we also have a lumens to watts calculator available. If you have any problems using this watts and amps calculator, please contact me.
Warning: It is necessary to enable JavaScript for full calculator functionality. Here are some instructions for how to enable JavaScript in your browser. Popup calculator Copy a link to this page Print this page Email a link to this page Scroll up to form What does this mean? Quick Search:. Power watts : mW W kW. Voltage Type Line to line Line to neutral. Depends upon efficiency, but usually, if you have a 9,W unit is has a higher output than a 5,W unit.
Hello Zo, there is a way, yes. You already know you have 20 amps. Just include the voltage; either V or V. Hope this helps. On a site I am a member of we have a lot of people putting in multiple amplifiers into boats. Often these amps are 15 feet away from the battery so the questions always come up…. This is 12V DC. So if I install 3 amps rated at watts each, feet from a battery, what size cable should I run to them? Hello Julian, an interesting question.
So, you would need wires that can handle up to about amperes of current. I am trying to power a watt 2 channel audio amplifier 12 v rms per channel. How many amps would I need the converter to put out? You would need your converter to put out 65 amps minimum. I have 4 ea. Each of these units draws a bit less than 15 amps. For 15 amps, you can use gauge wires. Hope you find this useful.
Hello Willy. Be aware that solar panels produce electricity at a lower voltage 12V or 24V. To get 16, Watts at 24V, you would need I want to purchase a heat press that has a v plug. It uses watts. Would a 30amp breaker be enough?
Hello Darica, watts at V is a little below 30 amps. Hello Chris, kW is a huge wattage. You can use the electric power equation to easily see how many amps would be sufficient. Hi … trying to learn about all this because my kitchen actually my whole house is electrically challenged.
My fridge is
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