9.9 Amps to Watts

9.9 amps is 1,188 watts at 120V (DC). The wattage depends on your circuit voltage.

9.9 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
118.8W 100.98W 174.9W
24V
DC, industrial control
237.6W 201.96W 349.8W
100V
Japan residential
990W 841.5W 1,457.52W
120V
US residential
1,188W 1,009.8W 1,749.02W
208V
US commercial three-phase
2,059.2W 1,750.32W 3,031.64W
220V
Legacy international / parts of Asia
2,178W 1,851.3W 3,206.55W
230V
UK / EU residential
2,277W 1,935.45W 3,352.3W
240V
US residential (dryer, range, HVAC)
2,376W 2,019.6W 3,498.05W
277V
US commercial lighting
2,742.3W 2,330.96W 4,037.33W
400V
UK / EU commercial three-phase
3,960W 3,366W 5,830.08W
460V
US industrial motor (NEC 430.250 column)
4,554W 3,870.9W 6,704.6W
480V
US industrial three-phase
4,752W 4,039.2W 6,996.1W
575V
Canadian industrial three-phase
5,692.5W 4,838.63W 8,380.74W

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.