Convert 138 Watts to Horsepower
How much power is 138 watts? What is 138 watts in horsepower? 138 W to HP conversion.
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138 Watts ≈
0.18506105 Mechanical Horsepower
result rounded
Decimal places
Result in Plain English
138 watts is equal to about 0.185 horsepower.
To a Percentage
138 watts ≈ 18.5% of a horsepower.
In Scientific Notation
138 watts
= 1.38 x 102 watts
≈ 1.85061 x 10-1 horsepower
Watts
A watt is the standard unit of power. It is the power needed to do one joule of work per second. A typical incandescent light bulb uses 40-100 watts.
Horsepower
Mechanical horsepower is commonly used to measure the maximum power of a car's engine in the United States. It is slightly different than Metric horsepower, which is used in Europe.