100 Watts to Amps

100 watts is 0.8333 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

Common appliances at 100W: LED TV (55")

100 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
8.33A 9.8A 5.66A
24V
DC, industrial control
4.17A 4.9A 2.83A
100V
Japan residential
1A 1.18A 0.6792A
120V
US residential
0.8333A 0.9804A 0.566A
208V
US commercial three-phase
0.4808A 0.5656A 0.3266A
220V
Legacy international / parts of Asia
0.4545A 0.5348A 0.3087A
230V
UK / EU residential
0.4348A 0.5115A 0.2953A
240V
US residential (dryer, range, HVAC)
0.4167A 0.4902A 0.283A
277V
US commercial lighting
0.361A 0.4247A 0.2452A
400V
UK / EU commercial three-phase
0.25A 0.2941A 0.1698A
460V
US industrial motor (NEC 430.250 column)
0.2174A 0.2558A 0.1477A
480V
US industrial three-phase
0.2083A 0.2451A 0.1415A
575V
Canadian industrial three-phase
0.1739A 0.2046A 0.1181A

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.