21.34 Amps to Watts

21.34 amps is 2,560.8 watts at 120V (DC). The wattage depends on your circuit voltage.

21.34 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
256.08W 217.67W 377.01W
24V
DC, industrial control
512.16W 435.34W 754.02W
100V
Japan residential
2,134W 1,813.9W 3,141.77W
120V
US residential
2,560.8W 2,176.68W 3,770.12W
208V
US commercial three-phase
4,438.72W 3,772.91W 6,534.88W
220V
Legacy international / parts of Asia
4,694.8W 3,990.58W 6,911.89W
230V
UK / EU residential
4,908.2W 4,171.97W 7,226.06W
240V
US residential (dryer, range, HVAC)
5,121.6W 4,353.36W 7,540.24W
277V
US commercial lighting
5,911.18W 5,024.5W 8,702.69W
400V
UK / EU commercial three-phase
8,536W 7,255.6W 12,567.07W
460V
US industrial motor (NEC 430.250 column)
9,816.4W 8,343.94W 14,452.13W
480V
US industrial three-phase
10,243.2W 8,706.72W 15,080.48W
575V
Canadian industrial three-phase
12,270.5W 10,429.93W 18,065.16W

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.