172 Watts to Amps

172 watts is 1.43 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

172 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
14.33A 16.86A 9.74A
24V
DC, industrial control
7.17A 8.43A 4.87A
100V
Japan residential
1.72A 2.02A 1.17A
120V
US residential
1.43A 1.69A 0.9736A
208V
US commercial three-phase
0.8269A 0.9729A 0.5617A
220V
Legacy international / parts of Asia
0.7818A 0.9198A 0.531A
230V
UK / EU residential
0.7478A 0.8798A 0.508A
240V
US residential (dryer, range, HVAC)
0.7167A 0.8431A 0.4868A
277V
US commercial lighting
0.6209A 0.7305A 0.4218A
400V
UK / EU commercial three-phase
0.43A 0.5059A 0.2921A
460V
US industrial motor (NEC 430.250 column)
0.3739A 0.4399A 0.254A
480V
US industrial three-phase
0.3583A 0.4216A 0.2434A
575V
Canadian industrial three-phase
0.2991A 0.3519A 0.2032A

Other Wattages

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.