20,000 Watts to Amps

20,000 watts is 166.67 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

20,000 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
1,666.67A 1,960.78A 1,132.06A
24V
DC, industrial control
833.33A 980.39A 566.03A
100V
Japan residential
200A 235.29A 135.85A
120V
US residential
166.67A 196.08A 113.21A
208V
US commercial three-phase
96.15A 113.12A 65.31A
220V
Legacy international / parts of Asia
90.91A 106.95A 61.75A
230V
UK / EU residential
86.96A 102.3A 59.06A
240V
US residential (dryer, range, HVAC)
83.33A 98.04A 56.6A
277V
US commercial lighting
72.2A 84.94A 49.04A
400V
UK / EU commercial three-phase
50A 58.82A 33.96A
460V
US industrial motor (NEC 430.250 column)
43.48A 51.15A 29.53A
480V
US industrial three-phase
41.67A 49.02A 28.3A
575V
Canadian industrial three-phase
34.78A 40.92A 23.63A

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.