48 Watts to Amps

48 watts is 0.4 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

48 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
4A 4.71A 2.72A
24V
DC, industrial control
2A 2.35A 1.36A
100V
Japan residential
0.48A 0.5647A 0.326A
120V
US residential
0.4A 0.4706A 0.2717A
208V
US commercial three-phase
0.2308A 0.2715A 0.1567A
220V
Legacy international / parts of Asia
0.2182A 0.2567A 0.1482A
230V
UK / EU residential
0.2087A 0.2455A 0.1418A
240V
US residential (dryer, range, HVAC)
0.2A 0.2353A 0.1358A
277V
US commercial lighting
0.1733A 0.2039A 0.1177A
400V
UK / EU commercial three-phase
0.12A 0.1412A 0.0815A
460V
US industrial motor (NEC 430.250 column)
0.1043A 0.1228A 0.0709A
480V
US industrial three-phase
0.1A 0.1176A 0.0679A
575V
Canadian industrial three-phase
0.0835A 0.0982A 0.0567A

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.