9.99 Amps to Watts

9.99 amps is 1,198.8 watts at 120V (DC). The wattage depends on your circuit voltage.

9.99 Amps to Watts at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
119.88W 101.9W 176.49W
24V
DC, industrial control
239.76W 203.8W 352.99W
100V
Japan residential
999W 849.15W 1,470.77W
120V
US residential
1,198.8W 1,018.98W 1,764.93W
208V
US commercial three-phase
2,077.92W 1,766.23W 3,059.2W
220V
Legacy international / parts of Asia
2,197.8W 1,868.13W 3,235.7W
230V
UK / EU residential
2,297.7W 1,953.05W 3,382.77W
240V
US residential (dryer, range, HVAC)
2,397.6W 2,037.96W 3,529.85W
277V
US commercial lighting
2,767.23W 2,352.15W 4,074.04W
400V
UK / EU commercial three-phase
3,996W 3,396.6W 5,883.08W
460V
US industrial motor (NEC 430.250 column)
4,595.4W 3,906.09W 6,765.55W
480V
US industrial three-phase
4,795.2W 4,075.92W 7,059.7W
575V
Canadian industrial three-phase
5,744.25W 4,882.61W 8,456.93W

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.