Hur Många Ampere Är 1 Kw

3 min read Jun 26, 2024
Hur Många Ampere Är 1 Kw

How Many Amperes are in 1 kW?

Understanding the Basics

When working with electricity, it's essential to understand the relationship between power, voltage, and current. Power (P) is measured in watts (W), voltage (V) is measured in volts, and current (I) is measured in amperes (A).

The Formula

To calculate the current in amperes, we can use the following formula:

I = P / V


  • I is the current in amperes (A)
  • P is the power in watts (W)
  • V is the voltage in volts (V)

Converting 1 kW to Amperes

Now, let's convert 1 kilowatt (kW) to amperes. Since 1 kW is equal to 1000 watts, we can plug in the values as follows:

I = 1000 W / V

To find the current in amperes, we need to know the voltage. The voltage can vary depending on the application, location, and type of electrical system. Here are a few common voltage levels:

  • ** household voltage:** 230V (Europe) or 120V (North America)
  • industrial voltage: 380V or 480V
  • electric vehicle charging: 240V or 400V

Let's use a household voltage of 230V as an example:

I = 1000 W / 230V

I ≈ 4.35 A

Therefore, 1 kW is equivalent to approximately 4.35 amperes at a voltage of 230V.


In conclusion, the number of amperes in 1 kW depends on the voltage level. Using the formula I = P / V, we can calculate the current in amperes for any given power and voltage. In this example, we found that 1 kW is equivalent to approximately 4.35 amperes at a household voltage of 230V.

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