How many watts does a sewing machine need?

hello

This link claims that the typical sewing machine will require 100 Watts. Thus, to use the engineer's rule of thumb, you'll need an invertor able to supply 125 Watts (assuming you sew using daylight) more if you'll have additional electric items switched on at the same time (radio, autopilot, ...)

http://www.absak.com/design/powercon.html

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Your sewing machine uses 84 watts maximum. You just multiply the volts times the amps to get watts. But there are other factors. I'm not sure what kind of "transformer" you have. If it's a 240 volt to 120 volt converter, it might not work very well. Some of those cheap travel converters are no good for anything with motors. And most countries with 220 0r 240 volt systems are 50hz, which would be bad for your machine.

Sewing Machine Wattage

Watch out for lower quality inverters, they may not be able handle the motor speed control in the sewing machine. You can get an inverter that can run a small fridge these days, so get a large inverter with a low "quiescent current" (power that is used when nothing is plugged into it) , then you can use any normal sewing machine.

Go shopping and look for yourself the power consumption in watts, then you can buy the one that will work for you with the lowest power consumption. My wife's machine uses 100 watts max. I suspect you can find them from 25 to 200 watts.