1.5 HP to Amps

A 1.5 HP motor draws approximately 12.91 amps at 120V (assuming 85% efficiency, 0.85 power factor). The exact amperage depends on voltage, motor efficiency, and power factor.

1.5 HP Motor Amps at Every Voltage

Efficiency: 85%, Power Factor: 0.85

VoltageEstimated Amps
120V (US residential) 12.91 A
208V (US commercial three-phase) 7.45 A
220V (Legacy international / parts of Asia) 7.04 A
230V (UK / EU residential) 6.73 A
240V (US residential (dryer, range, HVAC)) 6.45 A
400V (UK / EU commercial three-phase) 3.87 A
480V (US industrial three-phase) 3.23 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.