1,000 Amps to Watts

1,000 amps is 120,000 watts at 120V (DC). The wattage depends on your circuit voltage.

1,000 Amps to Watts at Every Voltage

Voltage	DC	AC (PF 0.85)	AC 3-Phase (PF 0.85)
12V DC, automotive, solar	12,000W	10,200W	17,666.92W
24V DC, industrial control	24,000W	20,400W	35,333.84W
100V Japan residential	100,000W	85,000W	147,224.32W
120V US residential	120,000W	102,000W	176,669.18W
208V US commercial three-phase	208,000W	176,800W	306,226.58W
220V Legacy international / parts of Asia	220,000W	187,000W	323,893.5W
230V UK / EU residential	230,000W	195,500W	338,615.93W
240V US residential (dryer, range, HVAC)	240,000W	204,000W	353,338.36W
277V US commercial lighting	277,000W	235,450W	407,811.36W
400V UK / EU commercial three-phase	400,000W	340,000W	588,897.27W
460V US industrial motor (NEC 430.250 column)	460,000W	391,000W	677,231.87W
480V US industrial three-phase	480,000W	408,000W	706,676.73W
575V Canadian industrial three-phase	575,000W	488,750W	846,539.83W

Also Calculate

swap_horiz 120,000W to amps cable Wire size for 1,000A science Ohm's law: 120V & 1,000A

Other Amperages

1A120W at 120V 2A240W at 120V 3A360W at 120V 5A600W at 120V 7.5A900W at 120V 10A1,200W at 120V 12A1,440W at 120V 15A1,800W at 120V 20A2,400W at 120V 25A3,000W at 120V 30A3,600W at 120V 35A4,200W at 120V 40A4,800W at 120V 45A5,400W at 120V 50A6,000W at 120V 60A7,200W at 120V 70A8,400W at 120V 80A9,600W at 120V 100A12,000W at 120V 125A15,000W at 120V 150A18,000W at 120V 175A21,000W at 120V 200A24,000W at 120V 225A27,000W at 120V 250A30,000W at 120V 300A36,000W at 120V 350A42,000W at 120V 400A48,000W at 120V 500A60,000W at 120V 600A72,000W at 120V

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.