1,991 Watts to Amps

1,991 watts is 16.59 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

1,991 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
165.92A 195.2A 112.7A
24V
DC, industrial control
82.96A 97.6A 56.35A
100V
Japan residential
19.91A 23.42A 13.52A
120V
US residential
16.59A 19.52A 11.27A
208V
US commercial three-phase
9.57A 11.26A 6.5A
220V
Legacy international / parts of Asia
9.05A 10.65A 6.15A
230V
UK / EU residential
8.66A 10.18A 5.88A
240V
US residential (dryer, range, HVAC)
8.3A 9.76A 5.63A
277V
US commercial lighting
7.19A 8.46A 4.88A
400V
UK / EU commercial three-phase
4.98A 5.86A 3.38A
460V
US industrial motor (NEC 430.250 column)
4.33A 5.09A 2.94A
480V
US industrial three-phase
4.15A 4.88A 2.82A
575V
Canadian industrial three-phase
3.46A 4.07A 2.35A

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.