1,803 Watts to Amps

1,803 watts is 15.03 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,803 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
150.25A 176.76A 102.06A
24V
DC, industrial control
75.13A 88.38A 51.03A
100V
Japan residential
18.03A 21.21A 12.25A
120V
US residential
15.03A 17.68A 10.21A
208V
US commercial three-phase
8.67A 10.2A 5.89A
220V
Legacy international / parts of Asia
8.2A 9.64A 5.57A
230V
UK / EU residential
7.84A 9.22A 5.32A
240V
US residential (dryer, range, HVAC)
7.51A 8.84A 5.1A
277V
US commercial lighting
6.51A 7.66A 4.42A
400V
UK / EU commercial three-phase
4.51A 5.3A 3.06A
460V
US industrial motor (NEC 430.250 column)
3.92A 4.61A 2.66A
480V
US industrial three-phase
3.76A 4.42A 2.55A
575V
Canadian industrial three-phase
3.14A 3.69A 2.13A

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.