Calchy.

428 HP to kW

428 HP equals 319.16 kW.

Formula: HP × 0.7457 = kW

428 HP =
319.16kW
Metric HP (PS)
433.94 PS
Watts
319,159.6 W

428 HP is supercar territory — exotic sports cars and heavily tuned vehicles.

Computed to 3 decimal places using factor 0.7457. For engineering or safety-critical uses verify against a calibrated reference.

Reference table

HP to kW near 428

horsepower (HP)kilowatts (kW)
398 HP296.79 kW
403 HP300.52 kW
408 HP304.25 kW
413 HP307.97 kW
418 HP311.7 kW
423 HP315.43 kW
428 HP319.16 kW
433 HP322.89 kW
438 HP326.62 kW
443 HP330.35 kW
448 HP334.07 kW
453 HP337.8 kW
458 HP341.53 kW
By use case

Popular HP values

Economy car
city / commuter
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hot hatch / sports sedan
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flagship performance
Hypercar
extreme performance
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FAQ

Frequently asked

How many kW is 428 HP?
428 mechanical horsepower = 319.16 kW. The exact factor is 1 HP = 0.7457 kW.
What is 428 HP in PS (metric horsepower)?
428 HP = 433.94 PS. Metric HP (PS/CV) is slightly smaller than mechanical HP: 1 PS = 0.9863 HP.
How do I convert 428 HP to kW without a calculator?
Multiply HP by 0.746 for a close approximation: 428 × 0.746 = 319.29 kW. The exact answer is 319.16 kW.
What kind of engine has 428 HP?
428 HP is high-performance / supercar territory — Porsche 911 Turbo, Chevrolet Corvette, BMW M5, or tuned builds.
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