kVA to HP Calculator

Convert kVA to horsepower (HP) for electric motor sizing. Includes power factor and motor efficiency adjustments.

kVA

MECHANICAL POWER

25.64 HP

REAL kW

21.25 kW

FORMULA

HP=(kVAร—PFร—Eff)/0.746

1 HP

= 746 watts

kVA to HP โ€” Reference Table (PF=0.85, Eff=90%)

kVAHPkW
5 kVA5.13 HP4.25 kW
10 kVA10.25 HP8.5 kW
15 kVA15.38 HP12.75 kW
20 kVA20.51 HP17 kW
25 kVA25.64 HP21.25 kW
30 kVA30.76 HP25.5 kW
50 kVA51.27 HP42.5 kW
75 kVA76.91 HP63.75 kW
100 kVA102.55 HP85 kW
150 kVA153.82 HP127.5 kW
200 kVA205.09 HP170 kW

๐Ÿ’ก How to Convert kVA to HP

Formula

HP = (kVA ร— PF ร— Efficiency) / 0.746

Where 1 HP = 746 watts
Example: 25 kVA at PF=0.85, Eff=90% โ†’ HP = (25 ร— 0.85 ร— 0.9) / 0.746 = 25.6 HP

Motor nameplate ratings typically list HP, but electrical systems use kVA. This conversion is essential for matching motors to generators and transformers.

25 kVA ร— 0.85 PF ร— 0.9 Eff รท 0.746 = 25.6 HP. Essential for generator-to-motor matching.

๐Ÿ”— Related Calculators

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