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746 watts = 1 HP.

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To some extent, you are trying to compare apples with Oranges. A horsepower is simply the Imperial unit of measurement for power which, in SI, is measured in watts. So you can only convert horsepower to watts. There are 746 watts in one horsepower. The volt ampere is used to measure a different quantity, called 'apparent power', which is simply the product of the supply voltage and load current in an a.c. circuit. To convert apparent power to power (or 'true power'), you need to know a third factor, called 'power factor', which is the cosine of the angle by which the load current lags or leads the supply voltage.

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12y ago

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