KW to Volt Calculator

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Rabert T
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Kilowatts are used to measure power, and amps are used to measure current. Volts are used to measure the voltage.

It is necessary to  choose the type of current before use the calculator. It can be (DC), which stands for “direct current,” or (AC), which stands for “alternating current” (AC).

DC KW to Volt Calculation

The voltage V in volts (V) equals 1000 times the power P in kilowatts (kW) divided by the current I in amps (A):

V = 1000 × P / I

AC KW (Single Phase) to Volt Calculation


The voltage V in volts (V) equals 1000 times the power P in kilowatts (kW) divided by the power factor PF times the current I in amps (A):

V = 1000 × P / (PF × I)

AC KW (Three Phase) to Volt Calculation


The voltage in volts (V) is equal to 1000 times the power P in kilowatts (kW) divided by the square root of 3 times the power factor PF times the current I in amps (A):

V = 1000 × P / (√3 × PF × I)

kW to Volts Conversion Table

The following table converts kW to volts for PF = 0.86 PF

kWCurrent In AmpsDC VoltsSingle Phase V(V) Three Phase V(L-N) Three Phase V(L-L) 
1 kW2 A375 V436 V145 V252 V
1 kW3 A367 V426 V142 V246 V
2 kW4 A375 V436 V145 V252 V
2 kW5 A440 V512 V171 V295 V
4 kW9 A411 V478 V159 V276 V
6 kW12 A458 V533 V178 V308 V
8 kW16 A469 V545 V182 V315 V
11 kW25 A440 V512 V171 V295 V
15 kW35 A429 V498 V166 V288 V
22 kW45 A489 V569 V190 V328 V
37 kW80 A463 V538 V179 V311 V
50 kW120 A417 V485 V162 V280 V
75 kW170 A441 V513 V171 V296 V
90 kW200 A450 V523 V174 V302 V
110 kW280 A393 V457 V152 V264 V
132 kW310 A426 V495 V165 V286 V
150 kW350 A429 V498 V166 V288 V
175 kW375 A467 V543 V181 V313 V
220 kW450 A489 V569 V190 V328 V
250 kW550 A455 V529 V176 V305 V
280 kW700 A400 V465 V155 V269 V
310 kW800 A388 V451 V150 V260 V
350 kW900 A389 V452 V151 V261 V
375 kW1000 A375 V436 V145 V252 V
420 kW1060 A396 V461 V154 V266 V

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Rabert T
Rabert T
As an electrical engineer with 5 years of experience, I focus on transformer and circuit breaker reliability in 110/33-11kV and 33/11kV substations. I am a professional electrical engineer with experience in transformer service and maintenance. I understand electrical principles and have expertise troubleshooting, repairing, and maintaining transformers, circuit breakers, and testing them.
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