You need amps
To calculate watts, you can use the formula: Watts = Volts × Amps. For a 120V, 60Hz, 12A circuit, it would be: 120V × 12A = 1,440 watts. Therefore, the circuit uses 1,440 watts.
Check the wattage of the device that plugs into the adapter. If the device's wattage is lower that 25 watts then the answer is yes. If the device's wattage is higher that 25 watts then the answer is no.
It is 120V/60Hz
The formula you are looking for is I = W/E. Amps = Watts/Volts.
Watts = amps x volts. Your drill draws 4.2 x 120 = 504 watts. I have never seen a battery with AC 60 Hz specs. If it is an inverter that you are talking about and the output is only 100 watts then it is under size for the job you want it to do.
Household is 120/240 volts at 60Hz. The average wall socket is 120v 60Hz.
No, 120 v is not enough.
Multiply the current by the voltage: 120 times 0.3, which is 40 watts.
There are 1350 watts in a 60 hz bulb. There is a push not for everyone to transfer to led bulbs.
To calculate the watts, you can use the formula Watts = Volts x Amps. If the voltage is typical at 120V for household outlets, then the trickle charger would consume around 720 watts (120V x 6A = 720W) while operating.
1.9 amps
6240 watts if it's on a 240 volt circuit. A better answer is to just learn that amps X volts = watts.