Calchy.

340 HP to kW

340 HP equals 253.54 kW.

Formula: HP × 0.7457 = kW

340 HP =
253.54kW
Metric HP (PS)
344.72 PS
Watts
253,538 W

340 HP is the performance-car range — hot hatches, sports sedans, and muscle cars.

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 340

horsepower (HP)kilowatts (kW)
310 HP231.17 kW
315 HP234.9 kW
320 HP238.62 kW
325 HP242.35 kW
330 HP246.08 kW
335 HP249.81 kW
340 HP253.54 kW
345 HP257.27 kW
350 HP261 kW
355 HP264.72 kW
360 HP268.45 kW
365 HP272.18 kW
370 HP275.91 kW
By use case

Popular HP values

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

Frequently asked

How many kW is 340 HP?
340 mechanical horsepower = 253.54 kW. The exact factor is 1 HP = 0.7457 kW.
What is 340 HP in PS (metric horsepower)?
340 HP = 344.72 PS. Metric HP (PS/CV) is slightly smaller than mechanical HP: 1 PS = 0.9863 HP.
How do I convert 340 HP to kW without a calculator?
Multiply HP by 0.746 for a close approximation: 340 × 0.746 = 253.64 kW. The exact answer is 253.54 kW.
What kind of engine has 340 HP?
340 HP is high-performance / supercar territory — Porsche 911 Turbo, Chevrolet Corvette, BMW M5, or tuned builds.
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