315 Amps to Watts

315 amps is 37,800 watts at 120V (DC). The wattage depends on your circuit voltage.

315 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
3,780W 3,213W 5,565.08W
24V
DC, industrial control
7,560W 6,426W 11,130.16W
100V
Japan residential
31,500W 26,775W 46,375.66W
120V
US residential
37,800W 32,130W 55,650.79W
208V
US commercial three-phase
65,520W 55,692W 96,461.37W
220V
Legacy international / parts of Asia
69,300W 58,905W 102,026.45W
230V
UK / EU residential
72,450W 61,582.5W 106,664.02W
240V
US residential (dryer, range, HVAC)
75,600W 64,260W 111,301.58W
277V
US commercial lighting
87,255W 74,166.75W 128,460.58W
400V
UK / EU commercial three-phase
126,000W 107,100W 185,502.64W
460V
US industrial motor (NEC 430.250 column)
144,900W 123,165W 213,328.04W
480V
US industrial three-phase
151,200W 128,520W 222,603.17W
575V
Canadian industrial three-phase
181,125W 153,956.25W 266,660.05W

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.