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\nCalculate Power Used from Horsepower
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Calculate the actual power consumed by a motor or engine based on its horsepower rating and efficiency.
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Calculator Inputs
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Calculation Results:
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Power Used (kW): 0.00
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Power Used (Watts): 0.00
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Conversion Factor: 0.746
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Efficiency Comparison Chart
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How This Works
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Electric motors and engines are rated in horsepower (hp), which represents their output power. However, the actual power they consume from the electrical supply is higher due to inefficiencies in converting electrical energy to mechanical energy.
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This calculator determines the actual power used by applying the efficiency factor. Higher efficiency means less power is wasted as heat, and more is converted to useful work.
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