2,490 Watts to Amps

2,490 watts is 20.75 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

2,490 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
207.5A 244.12A 140.94A
24V
DC, industrial control
103.75A 122.06A 70.47A
100V
Japan residential
24.9A 29.29A 16.91A
120V
US residential
20.75A 24.41A 14.09A
208V
US commercial three-phase
11.97A 14.08A 8.13A
220V
Legacy international / parts of Asia
11.32A 13.32A 7.69A
230V
UK / EU residential
10.83A 12.74A 7.35A
240V
US residential (dryer, range, HVAC)
10.38A 12.21A 7.05A
277V
US commercial lighting
8.99A 10.58A 6.11A
400V
UK / EU commercial three-phase
6.23A 7.32A 4.23A
460V
US industrial motor (NEC 430.250 column)
5.41A 6.37A 3.68A
480V
US industrial three-phase
5.19A 6.1A 3.52A
575V
Canadian industrial three-phase
4.33A 5.09A 2.94A

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.