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Amps to kW

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AC - Single phase
AC - Three phase
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Example of Amps to kW Calculations

To convert amps (A) to kilowatts (kW), you need to know the voltage (V). The formula to convert amps to kilowatts is:

kW = Amps×Volts / 1000

Assuming a common voltage of 240V for these calculations.

Table of Amps to kW Conversions

Below is a table showing the conversion of various amp values to kilowatts, sorted from smallest to largest, assuming a voltage of 240V.

Kilowatts (kW)Voltage (V)Amps (A)
0.24240.001.00
1.44240.006.00
2.88240.0012.00
4.32240.0018.00
4.80240.0020.00
5.76240.0024.00
6.00240.0025.00
6.72240.0028.00
7.20240.0030.00
7.68240.0032.00
8.40240.0035.00
9.60240.0040.00
12.00240.0050.00
30.00240.00125.00
72.00240.00300.00
480.00240.002000.00

Convert 40 Amps to kW

To convert 40 amps to kilowatts at 240V:

kW = 40×240/1000 = 9.60 kW

Convert 48 Amps to kW

To convert 48 amps to kilowatts at 240V:

kW = 48×240/1000 = 11.52 kW

Convert 200 Amps to kW

To convert 200 amps to kilowatts at 240V:

kW = 200×240/1000 = 48 kW

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