445 Watts to Amps

445 watts is 3.71 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

445 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
37.08A 43.63A 25.19A
24V
DC, industrial control
18.54A 21.81A 12.59A
100V
Japan residential
4.45A 5.24A 3.02A
120V
US residential
3.71A 4.36A 2.52A
208V
US commercial three-phase
2.14A 2.52A 1.45A
220V
Legacy international / parts of Asia
2.02A 2.38A 1.37A
230V
UK / EU residential
1.93A 2.28A 1.31A
240V
US residential (dryer, range, HVAC)
1.85A 2.18A 1.26A
277V
US commercial lighting
1.61A 1.89A 1.09A
400V
UK / EU commercial three-phase
1.11A 1.31A 0.7556A
460V
US industrial motor (NEC 430.250 column)
0.9674A 1.14A 0.6571A
480V
US industrial three-phase
0.9271A 1.09A 0.6297A
575V
Canadian industrial three-phase
0.7739A 0.9105A 0.5257A

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.