1.25 Amps to Watts

1.25 amps is 150 watts at 120V (DC). The wattage depends on your circuit voltage.

1.25 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
15W 12.75W 22.08W
24V
DC, industrial control
30W 25.5W 44.17W
100V
Japan residential
125W 106.25W 184.03W
120V
US residential
150W 127.5W 220.84W
208V
US commercial three-phase
260W 221W 382.78W
220V
Legacy international / parts of Asia
275W 233.75W 404.87W
230V
UK / EU residential
287.5W 244.38W 423.27W
240V
US residential (dryer, range, HVAC)
300W 255W 441.67W
277V
US commercial lighting
346.25W 294.31W 509.76W
400V
UK / EU commercial three-phase
500W 425W 736.12W
460V
US industrial motor (NEC 430.250 column)
575W 488.75W 846.54W
480V
US industrial three-phase
600W 510W 883.35W
575V
Canadian industrial three-phase
718.75W 610.94W 1,058.17W

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.