481 Watts to Amps

481 watts is 4.01 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

481 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
40.08A 47.16A 27.23A
24V
DC, industrial control
20.04A 23.58A 13.61A
100V
Japan residential
4.81A 5.66A 3.27A
120V
US residential
4.01A 4.72A 2.72A
208V
US commercial three-phase
2.31A 2.72A 1.57A
220V
Legacy international / parts of Asia
2.19A 2.57A 1.49A
230V
UK / EU residential
2.09A 2.46A 1.42A
240V
US residential (dryer, range, HVAC)
2A 2.36A 1.36A
277V
US commercial lighting
1.74A 2.04A 1.18A
400V
UK / EU commercial three-phase
1.2A 1.41A 0.8168A
460V
US industrial motor (NEC 430.250 column)
1.05A 1.23A 0.7102A
480V
US industrial three-phase
1A 1.18A 0.6807A
575V
Canadian industrial three-phase
0.8365A 0.9841A 0.5682A

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.