How to convert metric horsepower to watts
To convert a measurement in metric horsepower to watts, multiply the value by 735.49875. The conversion factor comes from the relationship between both units and the watt.
For example, to convert 5 PS to watts: 5 × 735.49875 = 3,677.4937 W.
What is a metric horsepower?
Metric horsepower (PS or cv) is a unit of power equal to exactly 735.49875 watts, slightly less than mechanical horsepower. Defined in continental Europe, metric horsepower (from the German 'Pferdestärke', PS) is the traditional unit for car engine power in Europe and Japan, where figures are often quoted in PS.
Common uses of metric horsepower include: European and Japanese car engine ratings; Motorcycle power specifications; Comparing PS to hp and kW; Automotive marketing figures.
What is a watt?
A watt is the SI derived unit of power, equal to one joule of energy per second (1 J/s). Named after Scottish engineer James Watt, whose steam-engine improvements powered the Industrial Revolution. The watt became the SI unit of power in 1960 and now measures everything from light bulbs to power plants.
Common uses of watts include: Light bulb and appliance ratings; Electronic device power consumption; Audio amplifier output; Scientific and electrical calculations.
Metric Horsepower to watts worked examples
Here are some common values converted:
1 PS = 735.49875 W 5 PS = 3,677.4937 W 10 PS = 7,354.9875 W 50 PS = 36,774.9375 W 100 PS = 73,549.875 W
Frequently asked questions
How many watts are in one metric horsepower?
One metric horsepower (PS) equals 735.49875 watts (W). Multiply any value in metric horsepower by 735.49875 to convert to watts.
How do I convert metric horsepower to watts?
Multiply the value in metric horsepower by 735.49875. For example, 5 PS × 735.49875 = 3,677.4937 W.
How do I convert watts to metric horsepower?
Multiply the value in watts by 0.001359621617, or divide by 735.49875. Use the swap button on the converter above to reverse the direction.
Is the metric horsepower to watt conversion exact?
Mechanical horsepower is defined as exactly 745.7 W and metric horsepower as 735.49875 W. SI conversions are exact.
What is the formula for metric horsepower to watts?
The formula is: W = PS × 735.49875. This comes from the definition of both units relative to the watt.