Horsepower to Amps Calculator

Horsepower to Amps Calculator

Got it — let’s focus on AC only, both single-phase and three-phase systems.


Horsepower to Amps Calculator

Single-Phase AC:

Amps (A)=HP×746Volts×Efficiency×Power Factor\text{Amps (A)} = \frac{\text{HP} \times 746}{\text{Volts} \times \text{Efficiency} \times \text{Power Factor}}

⚡⚡⚡ Three-Phase AC:

Amps (A)=HP×7463×Volts×Efficiency×Power Factor\text{Amps (A)} = \frac{\text{HP} \times 746}{\sqrt{3} \times \text{Volts} \times \text{Efficiency} \times \text{Power Factor}}


✨ Example Calculation

Let’s say:

  • Horsepower = 10 HP
  • Voltage = 230 V
  • Efficiency = 0.9
  • Power Factor = 0.8

🔹 Single-Phase:

Amps=10×746230×0.9×0.8=7460165.6≈45.05 A\text{Amps} = \frac{10 \times 746}{230 \times 0.9 \times 0.8} = \frac{7460}{165.6} \approx 45.05 \, \text{A}

🔹 Three-Phase:

Amps=10×7463×230×0.9×0.8=74601.732×165.6≈7460286.8≈26.01 A\text{Amps} = \frac{10 \times 746}{\sqrt{3} \times 230 \times 0.9 \times 0.8} = \frac{7460}{1.732 \times 165.6} \approx \frac{7460}{286.8} \approx 26.01 \, \text{A}


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