Amps to Horsepower
Amps (amperes) and horsepower measure different things, but they can be related in the context of electric motors.
Amps (A) - Measures electrical current.
Horsepower (HP) - Measures mechanical power output.
- See Articles - Horsepower Conversion
Amps to Horsepower Formula |
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\( HP \;=\; \dfrac{ I \cdot V \cdot \eta \cdot PF }{ 746 }\) (Amps to Horsepower) \( I \;=\; \dfrac{ HP \cdot 746 }{ V \cdot \eta \cdot PF }\) \( V \;=\; \dfrac{ HP \cdot 746 }{ I \cdot \eta \cdot PF }\) \( \eta \;=\; \dfrac{ HP \cdot 746 }{ I \cdot V \cdot PF }\) \( PF \;=\; \dfrac{ HP \cdot 746 }{ I \cdot V \cdot \eta }\) |
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| Symbol | English | Metric |
| \( HP \) = horsepower | \(lbf-ft\;/\;sec\) | \(C\;/\;s\) |
| \( I \) = amps | \(I\) | \(kg-m^2\;/\;s^2\) |
| \( V \) = voltage | \(V\) | \(kg-m^2 \;/\; s^3-A\) |
| \( \eta \) (Greek symbol eta) = efficiency | \(dimensionless\) | \(dimensionless\) |
| \( PF \) = power factor | \(dimensionless\) | \(dimensionless\) |
Motor Horsepower Formulas\(V\) = Voltage - \(I\) = Amps - \(PF\) = Power Factor - \(\eta\) = Efficiency - \(HP\) = Horsepower |
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| To Find | Direct Current | Alternating Current | ||
| Single Phase | Two Phase Four Wire | Three Phase | ||
| Horsepower | \(\large{\frac{ V \; I \; \%\eta }{ 746 } }\) | \(\large{\frac{ V \; I \; \%\eta \; PF }{ 746 } }\) | \(\large{\frac{ V \; I \; \%\eta \; PF \; 2 }{ 746 } }\) | \(\large{\frac{ V \; I \; \%\eta \; PF \; 1.73 }{ 746 } }\) |
Tags: Horsepower