581 Watts to Amps

581 watts is 4.84 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

581 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
48.42A 56.96A 32.89A
24V
DC, industrial control
24.21A 28.48A 16.44A
100V
Japan residential
5.81A 6.84A 3.95A
120V
US residential
4.84A 5.7A 3.29A
208V
US commercial three-phase
2.79A 3.29A 1.9A
220V
Legacy international / parts of Asia
2.64A 3.11A 1.79A
230V
UK / EU residential
2.53A 2.97A 1.72A
240V
US residential (dryer, range, HVAC)
2.42A 2.85A 1.64A
277V
US commercial lighting
2.1A 2.47A 1.42A
400V
UK / EU commercial three-phase
1.45A 1.71A 0.9866A
460V
US industrial motor (NEC 430.250 column)
1.26A 1.49A 0.8579A
480V
US industrial three-phase
1.21A 1.42A 0.8222A
575V
Canadian industrial three-phase
1.01A 1.19A 0.6863A

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.