30 Amps to Watts

30 amps is 3,600 watts at 120V (DC). The wattage depends on your circuit voltage.

30 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
360W 306W 530.01W
24V
DC, industrial control
720W 612W 1,060.02W
100V
Japan residential
3,000W 2,550W 4,416.73W
120V
US residential
3,600W 3,060W 5,300.08W
208V
US commercial three-phase
6,240W 5,304W 9,186.8W
220V
Legacy international / parts of Asia
6,600W 5,610W 9,716.81W
230V
UK / EU residential
6,900W 5,865W 10,158.48W
240V
US residential (dryer, range, HVAC)
7,200W 6,120W 10,600.15W
277V
US commercial lighting
8,310W 7,063.5W 12,234.34W
400V
UK / EU commercial three-phase
12,000W 10,200W 17,666.92W
460V
US industrial motor (NEC 430.250 column)
13,800W 11,730W 20,316.96W
480V
US industrial three-phase
14,400W 12,240W 21,200.3W
575V
Canadian industrial three-phase
17,250W 14,662.5W 25,396.19W

Other Amperages

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.