3 HP to Amps

A 3 HP motor draws approximately 25.81 amps at 120V (assuming 85% efficiency, 0.85 power factor). The exact amperage depends on voltage, motor efficiency, and power factor.

3 HP Motor Amps at Every Voltage

Efficiency: 85%, Power Factor: 0.85

VoltageEstimated Amps
120V (US residential) 25.81 A
208V (US commercial three-phase) 14.89 A
220V (Legacy international / parts of Asia) 14.08 A
230V (UK / EU residential) 13.47 A
240V (US residential (dryer, range, HVAC)) 12.91 A
400V (UK / EU commercial three-phase) 7.74 A
480V (US industrial three-phase) 6.45 A

Other HP Values

This calculator provides estimates for reference purposes only. Always consult a licensed electrician and verify compliance with the National Electrical Code (NEC) and local electrical codes before performing any electrical work.