21.26 Amps to Watts

21.26 amps is 2,551.2 watts at 120V (DC). The wattage depends on your circuit voltage.

21.26 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
255.12W 216.85W 375.6W
24V
DC, industrial control
510.24W 433.7W 751.2W
100V
Japan residential
2,126W 1,807.1W 3,129.99W
120V
US residential
2,551.2W 2,168.52W 3,755.99W
208V
US commercial three-phase
4,422.08W 3,758.77W 6,510.38W
220V
Legacy international / parts of Asia
4,677.2W 3,975.62W 6,885.98W
230V
UK / EU residential
4,889.8W 4,156.33W 7,198.97W
240V
US residential (dryer, range, HVAC)
5,102.4W 4,337.04W 7,511.97W
277V
US commercial lighting
5,889.02W 5,005.67W 8,670.07W
400V
UK / EU commercial three-phase
8,504W 7,228.4W 12,519.96W
460V
US industrial motor (NEC 430.250 column)
9,779.6W 8,312.66W 14,397.95W
480V
US industrial three-phase
10,204.8W 8,674.08W 15,023.95W
575V
Canadian industrial three-phase
12,224.5W 10,390.82W 17,997.44W

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.