120,420 Watts to Amps

120,420 watts is 1,003.5 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

120,420 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
10,035A 11,805.88A 6,816.13A
24V
DC, industrial control
5,017.5A 5,902.94A 3,408.06A
100V
Japan residential
1,204.2A 1,416.71A 817.94A
120V
US residential
1,003.5A 1,180.59A 681.61A
208V
US commercial three-phase
578.94A 681.11A 393.24A
220V
Legacy international / parts of Asia
547.36A 643.96A 371.79A
230V
UK / EU residential
523.57A 615.96A 355.62A
240V
US residential (dryer, range, HVAC)
501.75A 590.29A 340.81A
277V
US commercial lighting
434.73A 511.45A 295.28A
400V
UK / EU commercial three-phase
301.05A 354.18A 204.48A
460V
US industrial motor (NEC 430.250 column)
261.78A 307.98A 177.81A
480V
US industrial three-phase
250.88A 295.15A 170.4A
575V
Canadian industrial three-phase
209.43A 246.38A 142.25A

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.