How to convert Amps to Watts calculator

You can easily make calculations for watt from a quantity given in units of amps or volts; it is not possible to convert amps directly to watts because both of these units represent different quantity. Generally we have three types of appliances at home and it is good to learn the unit conversion technique for all of them.

  1.  DC amps to watts:

WATTS = Amps * Volts

For example:

If you want to know about power consumption in watts for current 3A and voltage 110V; result will be calculated simply as:

3A * 110V = 330 Watts

6A * 110V = 660 Watts

 

  1. From Single Phase AC to Watts:

If you need calculations for single phase devices then real power in watts will be given in terms of power factor times RMS voltage, times phase current; as:

P (W) = PF *I (A) * V (V)

So Watt = PF * Amp * Volt; or         W=PF*A*V

 

For example you need a transformer for appliance that is rated as 0.8- power factor, 3A- phase current; 110V- RMS voltage. Then power can be calculated as: 

P= 0.8* 3A * 110V = 264 W

 

  1. For Three Phase Amps to Watts:
  • Line to line voltage:

P (W) = √3 * PF * I (A) * V L-L (V)

Or Watt = √3 * PF * amp * volt

 

  • Line to Natural Voltage:

P (W) = 3 * PF * I (A) * V L-0 (V)

Or watt = 3 * PF * amp * volt

 

 

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Generally it is not possible to connect appliances with different supply ratings. ACUPWR transformers can adjust the frequency rate of device in order to match perfect speed as per need of appliance.  For example you cannot use a appliance rated with 110Volt, 50 Hz rating over a supply voltage of 220 Volts, 60 Hz. ACUPWR transformers can adjust the frequency rate of device in order to match perfect speed as per need of appliance.

 

If you need to use your device with such variable ratings our transformers can serve you better as they can effectively make conversions between one voltage levels to other. Step Up transformers are used for appliances and electronics that are rated for 220 volt supply but you need to connect them with 110 volt input; in this case you will have to connect it via a step up transformer that can change 110 volt supply to 220 volts. In the other case that you need to connect 110 volt appliance with 220 volt supply it can be done with the help of Step Down transformer.

 

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