Power Converter

Convert between kilowatts, metric horsepower (PS), imperial horsepower (hp), tons of refrigeration (TR).

UnitsPower

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

1 \text{ PS} = 735.49875 \text{ W}, \; 1 \text{ hp} = 745.69987 \text{ W}, \; 1 \text{ TR} = 3.51685 \text{ kW}

Symbol	Meaning	Unit
$W$	watt (SI)	W
$PS$	metric horsepower (Pferdestärke)	W
$hp$	imperial horsepower	W
$TR$	ton of refrigeration	kW

Source: NIST SP 811

Convert between kilowatts, metric horsepower (PS), imperial horsepower (hp), tons of refrigeration (TR).