Home Electrical Essentials Electrical Calculators KW to Volt Calculator

KW to Volt Calculator

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October 20, 2022

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

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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

kW	Current In Amps	DC Volts	Single Phase V(V)	Three Phase V(L-N)	Three Phase V(L-L)
1 kW	2 A	375 V	436 V	145 V	252 V
1 kW	3 A	367 V	426 V	142 V	246 V
2 kW	4 A	375 V	436 V	145 V	252 V
2 kW	5 A	440 V	512 V	171 V	295 V
4 kW	9 A	411 V	478 V	159 V	276 V
6 kW	12 A	458 V	533 V	178 V	308 V
8 kW	16 A	469 V	545 V	182 V	315 V
11 kW	25 A	440 V	512 V	171 V	295 V
15 kW	35 A	429 V	498 V	166 V	288 V
22 kW	45 A	489 V	569 V	190 V	328 V
37 kW	80 A	463 V	538 V	179 V	311 V
50 kW	120 A	417 V	485 V	162 V	280 V
75 kW	170 A	441 V	513 V	171 V	296 V
90 kW	200 A	450 V	523 V	174 V	302 V
110 kW	280 A	393 V	457 V	152 V	264 V
132 kW	310 A	426 V	495 V	165 V	286 V
150 kW	350 A	429 V	498 V	166 V	288 V
175 kW	375 A	467 V	543 V	181 V	313 V
220 kW	450 A	489 V	569 V	190 V	328 V
250 kW	550 A	455 V	529 V	176 V	305 V
280 kW	700 A	400 V	465 V	155 V	269 V
310 kW	800 A	388 V	451 V	150 V	260 V
350 kW	900 A	389 V	452 V	151 V	261 V
375 kW	1000 A	375 V	436 V	145 V	252 V
420 kW	1060 A	396 V	461 V	154 V	266 V

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