Amps to kW Calculator

Convert amps to kilowatts (kW) for DC and AC circuits. Enter current and voltage to calculate real power.

ByPRIYA SHARMAโ€ขUpdated April 20, 2026
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Reviewed byDR. RAJIV NAIR
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Fact checked byNEHA KAPOOR
A
V

REAL POWER

4.8 kW


IN WATTS

4,800 W

CIRCUIT

DC

FORMULA

kW=(Iร—V)/1000

๐Ÿ’ก How to Convert Amps to kW

Formula

DC: kW = (I ร— V) / 1,000
AC 1-Phase: kW = (I ร— V ร— PF) / 1,000
AC 3-Phase: kW = (I ร— V ร— PF ร— โˆš3) / 1,000

Example: 20A at 240V DC โ†’ kW = (20 ร— 240) / 1,000 = 4.8 kW
20A ร— 240V = 4,800W = 4.8 kW. For AC, multiply by power factor.

Amps to kW Calculator FAQ