| Need
to Find: |
Formula |
| Horsepower DC |
(Volts x Amps x
Efficiency)/746 |
| Horsepower AC |
(Volts x Amps x
1.732 x Eff x PF)/746 |
| Watts DC |
Volts x Amps |
| Watts AC |
Volts x Amps x
PF x 1.732 |
| Kilowatts |
(Volts x Amps x
PF x 1.732)/1000 |
| Amperes DC |
Watts / Volts |
| Amperes AC |
(746 x
Horsepower)/(Volts x eff x PF x 1.732) |
| KVA |
(Volts x Amps x
1.732)/1000 |
| Fan Motor HP |
(CFM x Pressure
(lbs/sq ft))/(33000 x eff) |
| Pump Motor HP |
(GPM x Head (ft)
x Specific Gravity)/(3960 x eff of pump) |