Namely, here you look at your car battery capacity. Solar panels can charge an electric car via a battery. You can also check what wire sizes you need to conduct certain amps: You can consult the ampacity AWG chart with wire sizes in mm, mm2, and amps here. When you figure out amps, you will probably need adequate wiring for your amp size. Note: Figuring out watts to amps can help you, for example, to calculate how long does it take to charge a Tesla car. If you have a specific question about how to convert Watts to Amps, you can use the comment section below, and we’ll try to help you out. You can look at examples of how this is done by checking the air conditioner wire size calculator here and the AC breaker size chart here. Watts To Amps At 24V (For Batteries)Įxample: In many cases, you need to convert watts to amps if you are looking to find an adequate size wire for AC. You can check how to correctly calculate a 12V wire size here. If you want to pick the correct size wire for the 12V circuit, you have to know the minimum ampacity you need from your wire. One good example where you need to calculate the amps from watts is 12V wire sizing. You can check 2-zone, 3-zone, 4-zone, and 5-zone mini-split systems to see how many amps they run on. But if you plug such a device into 220 V, the current generated is only 13.64 Amps (there is no need for amp breakers).Įxample: Bigger multi-zone mini-split units usually need amp breakers. This is designed to reduce the amperage.įor 25 Amps, for example, you would already need an amp breaker. In cases with higher wattage, it’s not unusual to use a higher 220 voltage. Example 3: 3000 Watts Equals How Many Amps?ģ000 Watt devices can be plugin into 120V or into 220V. We see that a 1000 W device draws twice as many Amps as a 500 W device.įor 220V, we get this watts to amps calculation: If we repeat the exercise and ask ourselves how many Amps equals 1000 Watts, we get: Let’s calculate how many amps is 500W at 220V:Īt 220V, 500W draws 2.27 amps. If we input the P = 500 Watts and V = 120 Volts, we get: Here is how we can calculate how many amps is 500W: Let’s say we have a 500W air conditioner plug into 120 V voltage. With that in mind, let’s look at the 3 examples: Example 1: How Many Amps Is 500 Watts? In the end, you will also find a watts-to-amps table at 120V electric potential.Īt 120V, 120 watts make 1 amp. To demonstrate how watts can be converted to amps, we solved a few examples of how many amps is 500 watts, 1000 watts, and 3000 watts. You can play around with numbers a bit as well: Here you can easily convert watts to amps using this calculator. Below the calculator, you will find examples of how to make the conversion and 5 calculated tables of watts to amps as 12V, 24V, 120V, 220V, and 240V. To help you out, we have prepared an easy-to-use Watts To Amps calculator.
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