Convert like a dealer: BHP · kW · ekW · kVA with ISO-8528 ratings & site derating
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HP & KW CONVERTER
Convert between engine horsepower, kW, ekW, and kVA — then adjust for ISO-8528 rating class and derate for your site's altitude and temperature. Know exactly what a unit will actually deliver before you buy it.
POWER INPUT
Enter any one value — the rest convert live
Site Derating (rule of thumb)
— kW
Converted power appears here
Electrical Output (ekW) · Site-Derated
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Engine BHP
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Engine kWm
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ekW (sea level)
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kVA @ PF
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ISO 8528 Rating Equivalents (site-derated ekW)
ESP Standby
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PRP Prime
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COP Continuous
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Derating figures are industry rules of thumb (≈3%/1,000 ft above 3,000 ft for NA engines, less for turbo; ≈1%/10°F above 77°F). Always confirm against the OEM performance data sheet for the specific engine arrangement number.