How many amps is 240 volts

Table of Contents

1

• Calculator
• Convert 240 Volts to Amps
  • 240V Watts to Amps
  • 240V Ohm to Amps
• How many Amps in 240 Volts?

Welcome to 240 volts to amps, our post explaining the conversion of 240 volts to amperes. If you have been searching for how many amps in 240 volts or 240V to amps, then you are right here, too 🙂 because the unit symbol for volt is V. In turn, the unit ampere is symbolized as A.

As detailed on our page volts to amps, in order to change 240 volts to amps we must use either volts and ohm, or volts and watts because volts and amps represent different concepts.

Calculator

Volts:

W or Ω?

Watts (W)
Ohm (Ω)

Amount:

Amps:

Simply the Best Volts ⇄ Amperes Converter! Please ReTweet. Click To TweetRead on to learn how to convert the electric potential of 240 volts, called voltage (V), to electric current (I), taking into account that R denotes the resistance measured in Ohm (Ω), and that P denotes the power in watt (W).

Convert 240 Volts to Amps

To convert 240 volts to amps we employ the two formulas I(A) = V(V) / R(Ω) and I(A) = P(W) / V(V). Thus, A = V / Ω, and A = W / V → A = 240 / Ω, and A = W / 240.

In other words, we can convert 240 volts to amps by means of ohm or via watts. One of the two units must be chosen. We recommend using our calculator at the top of this article.

Insert 240 in the voltage field, select watts or ohm from the drop-down menu, and then enter the amount corresponding to your choice in the second field to obtain your result on the fly.

BTW: Besides 240 volts to amperes, other conversions in this category include:

• 245 volts to amps
• 246 volts to amps
• 247 volts to amps

240V Watts to Amps

The 240V Watts to Amps formula is A = W / 240. Replace W with your actual power in watt. For example with W = 100, you obtain the result of 0.42 amps (rounded to two decimal places).

240V Ohm to Amps

The 240V ohm to amps formula is A = 240 / Ω. Replace Ω with your individual resistance in ohm. Assumed Ω = 20, the result of the conversion is 12 amps (rounded to two decimal digits).

You have reached the concluding part of 240V to A. As you already know, the answer to the question how many amps in 240 volts depends on the actual value of ohm or watts.

The image sums it up:Observe that you can locate many conversions similar to 240 volts to amperes using the search form in the sidebar, also linked in our header menu.

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Example: A 120V air conditioner is powered by 900 Watts. How many Amps is that? It’s 7.5 Amps.

How to find amperage or amps from watts?

To convert electrical power to electrical current (Watts to Amps), we need to use the electrical power equation:

P = I × V or Watts = Amps × Volts

where:

• P is electrical power, measured in Watts (W).
• I is electrical current or amperage, measured in Amps (A).
• V is electrical potential or voltage, measured in Volts (V). The standard voltage for most electrical devices is 110-120V, and upgraded voltage powerful electric devices use 220V or 240V. Batteries run at 12V or 24V.

Using this equation, we can convert watts directly to amps, if we know the voltage. The higher the wattage, the lower the amps will be for the same amount of watts.

To help you out, we have prepared an easy-to-use Watts To Amps 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.

Watts To Amps Calculator (W to A)

Here you can easily convert watts to amps using this calculator. You can play around with numbers a bit as well:

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. In the end, you will also find a watts-to-amps table at 120V electric potential.

Here’s a quick useful piece of info:

How many watts make an amp?

At 120V, 120 watts make 1 amp. That means that 1 amp = 120 watts.

How many watts in 1 amp at 220 volts?

At 220V, you get 220W per 1 amp.

With that in mind, let’s look at the 3 examples:

Example 1: How Many Amps Is 500 Watts?

Let’s say we have a 500W air conditioner plug into 120 V voltage.

Here is how we can calculate how many amps is 500W:

I = P/V

If we input the P = 500 Watts and V = 120 Volts, we get:

I = 500 Watts/120 Volt = 4.17 Amps

In short, 500 Watts equals 4.17 Amps.

What if the voltage would be 220V?

Let’s calculate how many amps is 500W at 220V:

I = 500 Watts/220 Volt = 2.27 Amps

At 220V, 500W draws 2.27 amps.

Example 2: How Many Amps Is 1000 Watts?

If we repeat the exercise and ask ourselves how many Amps equals 1000 Watts, we get:

I = 1000 Watts/120 Volt = 8.33 Amps

We see that a 1000 W device draws twice as many Amps as a 500 W device.

For 220V, we get this watts to amps calculation:

I = 1000 Watts/220 Volt = 4.55 Amps

In short, 1000W draws 8.33 amps at 120V, and 4.55 amps at 220V.

Example 3: 3000 Watts Equals How Many Amps?

3000 Watt devices can be plugin in 120V or into 220V. In cases with higher wattage, it’s not unusual to use a higher 220 voltage. This is designed to reduce the amperage.

For example, 3000 Watt equals to:

• 25 Amps, if you use 120 V.
• 13.64 Amps, if you use 220 V.

For 25 Amps, for example, you would already need an amp breaker. 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).

Example: Bigger multi-zone mini-split units usually need amp breakers. You can check 2-zone, 3-zone, 4-zone, and 5-zone mini-split systems to see how many amps they run on.

Watts To Amps At 12V (For Batteries)

One good example where you need to calculate the amps from watts is 12V wire sizing. 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. You can check how to correctly calculate a 12V wire size here.

Watts To Amps At 24V (For Batteries)

Watts To Amps At 120V (Standard Outlet)

Example: How many amps is 1,500 watts at 120V? Simply consult the chart: There are 12.17 amps in 1,500 watts (at 120V voltage).

Watts To Amps At 220V (220V Outlet)

Example: In many cases, you need to convert watts to amps if you are looking to find an adequate size wire for AC. 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 240V (240V Outlet)

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.

Note: Figuring out watts to amps can help you, for example, to calculate how long does it take to charge a Tesla car.

When you figure out amps, you will probably need adequate wiring for your amp size. You can consult the ampacity AWG chart with wire sizes in mm, mm2, and amps here.

You can also check what wire sizes you need to conduct certain amps:

• 20 amp wire size.
• 30 amp wire size.
• 40 amp wire size.
• 50 amp wire size.
• 60 amp wire size.
• 100 amp wire size.
• 200 amp wire size.

• Watts To Amps Calculator (W to A)
  • Example 1: How Many Amps Is 500 Watts?
  • Example 2: How Many Amps Is 1000 Watts?
  • Example 3: 3000 Watts Equals How Many Amps?
• Watts To Amps At 12V (For Batteries)
• Watts To Amps At 24V (For Batteries)
• Watts To Amps At 120V (Standard Outlet)
• Watts To Amps At 220V (220V Outlet)
• Watts To Amps At 240V (240V Outlet)
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