How to convert watts to horsepower

 

How to convert power in watts (W) to horsepower (hp).

Watts to mechanic / hydraulic horsepower

One mechanic or hydraulic horsepower is equal to 745.699872 watts:

1 hp(I) = 745.699872 W

So the power conversion of watts to horsepower is given by:

P(hp) = P(W) / 745.699872

 

Example

Convert 10W to mechanic horsepower:

P(hp) = 10W / 745.699872 = 0.01341 hp

Watts to electrical horsepower

One electrical horsepower is equal to 746 watts:

1 hp(E) = 746 W

So the power conversion of watts to horsepower is given by:

P(hp) = P(W) / 746

 

Example

Convert 10W to electrical horsepower:

P(hp) = 10W / 746 = 0.013405 hp

Watts to metric horsepower

One metric horsepower is equal to 735.49875 watts:

1 hp(M) = 735.49875 W

So the power conversion of watts to horsepower is given by:

P(hp) = P(W) / 735.49875

 

Example

Convert 10W to metric horsepower:

P(hp) = 10W / 735.49875 = 0.013596 hp

 

How to convert hp to watts ►

 

See also

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