121 Watts to Amps

121 watts is 1.01 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

121 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
10.08A 11.86A 6.85A
24V
DC, industrial control
5.04A 5.93A 3.42A
100V
Japan residential
1.21A 1.42A 0.8219A
120V
US residential
1.01A 1.19A 0.6849A
208V
US commercial three-phase
0.5817A 0.6844A 0.3951A
220V
Legacy international / parts of Asia
0.55A 0.6471A 0.3736A
230V
UK / EU residential
0.5261A 0.6189A 0.3573A
240V
US residential (dryer, range, HVAC)
0.5042A 0.5931A 0.3424A
277V
US commercial lighting
0.4368A 0.5139A 0.2967A
400V
UK / EU commercial three-phase
0.3025A 0.3559A 0.2055A
460V
US industrial motor (NEC 430.250 column)
0.263A 0.3095A 0.1787A
480V
US industrial three-phase
0.2521A 0.2966A 0.1712A
575V
Canadian industrial three-phase
0.2104A 0.2476A 0.1429A

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.