2.5 Amps to Watts

2.5 amps is 300 watts at 120V (DC). The wattage depends on your circuit voltage.

2.5 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
30W 25.5W 44.17W
24V
DC, industrial control
60W 51W 88.33W
100V
Japan residential
250W 212.5W 368.06W
120V
US residential
300W 255W 441.67W
208V
US commercial three-phase
520W 442W 765.57W
220V
Legacy international / parts of Asia
550W 467.5W 809.73W
230V
UK / EU residential
575W 488.75W 846.54W
240V
US residential (dryer, range, HVAC)
600W 510W 883.35W
277V
US commercial lighting
692.5W 588.63W 1,019.53W
400V
UK / EU commercial three-phase
1,000W 850W 1,472.24W
460V
US industrial motor (NEC 430.250 column)
1,150W 977.5W 1,693.08W
480V
US industrial three-phase
1,200W 1,020W 1,766.69W
575V
Canadian industrial three-phase
1,437.5W 1,221.88W 2,116.35W

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.