278.9 Watt to Horsepower Conversion
278.9 Watt to Horsepower - Watt to Horsepower - Power - Conversion
You are currently converting Power units from Watt to Horsepower
278.9 Watt (W)
=
0.3792 Horsepower (hp)
Visit 278.9 Horsepower to Watt ConversionWatt : The watt is a unit for power, is one of SI Units. Its name is in honor of the Scottish engineer James Watt, the eighteenth-century developer of the steam engine. The unit symbol for watt is W, defined as one joule per second, measures the rate of energy conversion or transfer.
Horsepower : The horsepower (symbol: hp) is the name of several units of measurement of power, the rate at which work is done. A metric horsepower is defined as the power to raise a mass of 75kilograms against the earth's gravitational force over a distance of one meter in one second. One horsepower (metric) is equal to 735.5 W. In additional, the horsepower used for electrical machines is defined as exactly 746 W.
Power Conversion Calculator
278.9 Watt = 0.3792 Horsepower (metric)
FAQ about Watt to Horsepower Conversion
1 watt (W) is equal to 0.00136 horsepower (hp).
1W = 0.00136hp
The power P in horsepower (hp) is equal to the power P in watt (W) times 0.00136, that conversion formula:
P(hp) = P(W) × 0.00136
One Watt is equal to 0.00136 Horsepower:
1W = 1W × 0.00136 = 0.00136hp
One Horsepower (metric) is equal to 735.4988 Watt:
1hp = 1hp × 735.4988 = 735.4988W
P(hp) = 5(W) × 0.00136 = 0.0068hp
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