999 Watts to Amps

999 watts is 8.33 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

999 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
83.25A 97.94A 56.55A
24V
DC, industrial control
41.63A 48.97A 28.27A
100V
Japan residential
9.99A 11.75A 6.79A
120V
US residential
8.33A 9.79A 5.65A
208V
US commercial three-phase
4.8A 5.65A 3.26A
220V
Legacy international / parts of Asia
4.54A 5.34A 3.08A
230V
UK / EU residential
4.34A 5.11A 2.95A
240V
US residential (dryer, range, HVAC)
4.16A 4.9A 2.83A
277V
US commercial lighting
3.61A 4.24A 2.45A
400V
UK / EU commercial three-phase
2.5A 2.94A 1.7A
460V
US industrial motor (NEC 430.250 column)
2.17A 2.55A 1.48A
480V
US industrial three-phase
2.08A 2.45A 1.41A
575V
Canadian industrial three-phase
1.74A 2.04A 1.18A

Other Wattages

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.