Kilowatt to Ampere (KW to Amp)

Kilowatt to Ampere Converter

Calculate current (A) from power (kW) and voltage for both AC and DC circuits.

Kilowatt to Ampere (KW to Amp)
Table of Contents

How to Convert Kilowatts to Amperes

To convert kilowatts (kW) to amperes (A), the formula depends on the electrical system type: DC, Single-phase AC, or Three-phase AC.

Kilowatts to Amperes Formula

To calculate current (I) in amperes based on power (P) in kilowatts and voltage (V) in volts, you can use the following formula:

I = P ร— 1000 / V
I = Current in amperes
P = Power in kilowatts
V = Voltage in volts

Quick Trick: To find the current, multiply the kilowatts by 1000 and divide by the voltage!

Conversion Formulas

DC Circuit Calculation

P(kW) = I(A) ร— V(V) / 1000

Where:

  • P = Power in Kilowatts
  • I = Current in Amps
  • V = Voltage in Volts
AC Single Phase Calculation

P(kW) = PF ร— I(A) ร— V(V) / 1000

Where:

  • PF = Power Factor
  • I = Current in Amps
  • V = RMS Voltage in Volts
AC Three Phase Calculation

Line to Line:

P(kW) = โˆš3 ร— PF ร— I(A) ร— VL-L(V) / 1000

Line to Neutral:

P(kW) = 3 ร— PF ร— I(A) ร— VL-N(V) / 1000

Understand the Conversion

The relationship between power, current, and voltage is defined by the formula:

  • If you know the power (P) in kilowatts and voltage (V), you can calculate the current (I) using: I = P ร— 1000 / V

Simply input the known values and use the formula to calculate the current in amperes.

Kilowatt (kW) - A Unit of Power

Kilowatts are a standard unit of power, used to measure electrical power. One kilowatt is equal to 1,000 watts, which indicates the rate at which electricity is generated or consumed.

Ampere (A) - A Unit of Current

Amperes (or amps) are a standard unit of electric current, measuring the flow of electric charge. One ampere is defined as the flow of one coulomb of charge per second.

Kilowatts to Amps Conversion Table

Kilowatts [kW] Voltage (120V) [V] Current (A) Voltage (240V) [V] Current (A)
1 kW 120 V 8.33 A 240 V 4.17 A
2 kW 120 V 16.67 A 240 V 8.33 A
3 kW 120 V 25.00 A 240 V 12.50 A
4 kW 120 V 33.33 A 240 V 16.67 A
5 kW 120 V 41.67 A 240 V 20.83 A
10 kW 120 V 83.33 A 240 V 41.67 A
15 kW 120 V 125.00 A 240 V 62.50 A
20 kW 120 V 166.67 A 240 V 83.33 A

Motor Current Ratings Conversion Table

Power [kW] Current at 120V [A] Current at 240V [A]
1 kW 10.417 A 5.208 A
2 kW 20.833 A 10.417 A
3 kW 31.25 A 15.625 A
4 kW 41.667 A 20.833 A
5 kW 52.083 A 26.042 A
6 kW 62.5 A 31.25 A
7 kW 72.917 A 36.458 A
8 kW 83.333 A 41.667 A
9 kW 93.75 A 46.875 A
10 kW 104.17 A 52.083 A
15 kW 156.25 A 78.125 A
20 kW 208.33 A 104.17 A
25 kW 260.42 A 130.21 A
30 kW 312.5 A 156.25 A
35 kW 364.58 A 182.29 A
40 kW 416.67 A 208.33 A
45 kW 468.75 A 234.38 A
50 kW 520.83 A 260.42 A
55 kW 572.92 A 286.46 A
60 kW 625 A 312.5 A
65 kW 677.08 A 338.54 A
70 kW 729.17 A 364.58 A
75 kW 781.25 A 390.63 A
80 kW 833.33 A 416.67 A
85 kW 885.42 A 442.71 A
90 kW 937.5 A 468.75 A
95 kW 989.58 A 494.79 A
100 kW 1,041.7 A 520.83 A

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Author

  • Manish Kumar

    Manish holds a B.Tech in Electrical and Electronics Engineering (EEE) and an M.Tech in Power Systems, with over 10 years of experience in Metro Rail Systems, specializing in advanced rail infrastructure. He is also a NASM-certified fitness and nutrition coach with more than a decade of experience in weightlifting and fat loss coaching. With expertise in gym-based training, lifting techniques, and biomechanics, Manish combines his technical mindset with his passion for fitness.

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