1,800 Watts to Amps

1,800 watts is 15 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

Common appliances at 1,800W: Hair Dryer, Dishwasher

1,800 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
150A 176.47A 101.89A
24V
DC, industrial control
75A 88.24A 50.94A
100V
Japan residential
18A 21.18A 12.23A
120V
US residential
15A 17.65A 10.19A
208V
US commercial three-phase
8.65A 10.18A 5.88A
220V
Legacy international / parts of Asia
8.18A 9.63A 5.56A
230V
UK / EU residential
7.83A 9.21A 5.32A
240V
US residential (dryer, range, HVAC)
7.5A 8.82A 5.09A
277V
US commercial lighting
6.5A 7.64A 4.41A
400V
UK / EU commercial three-phase
4.5A 5.29A 3.06A
460V
US industrial motor (NEC 430.250 column)
3.91A 4.6A 2.66A
480V
US industrial three-phase
3.75A 4.41A 2.55A
575V
Canadian industrial three-phase
3.13A 3.68A 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.