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4 Volts to Watts

Welcome to 4 volts to watts.

Here we show you how to convert four volts to watts using the formulas for DC as well as AC circuits.

If you have been wondering how many watts is 4 volts, or if you have been looking for 4v in watts, then you are definitively right here. 🙂

We not only explain you the conversion, but also feature a voltage to watt calculator you will like.



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How many Watts is 4 Volts

The answer to the question how many watts is 4 volts depends on the flow of electric charge, either one-directional in direct current (DC), or bidirectional in case of alternating current (AC).

In case of 4 volts in an AC circuit, the power factor PF and number of phases make a difference, in addition to the connection scheme of the wires in case of 3-phase AC.

See the formulas in the next section, and make sure to check out our converter which you can find after the voltage to wattage example calculations.

4 Volts to Watts Conversion

Determine your electric current in amperes (A), then apply the formula below which corresponds to your circuit:

DC: W = [A] × [4 V]
AC, 1 Phase: W = PF × [A] × [4 V]
AC, 3 Phase, Line to Line (L-L): W = √3 × PF × [A] × [4 V]
AC, 3 Phase, Line to Neutral (L-N): W = 3 × PF × [A] × [4 V]

To learn what the power factor, line to line and line to neutral voltage in the context stand for, read our article volts to watts, located in the header menu.

For the example conversions below, we assume a power factor of 0.5 and an electric current of 1.5 amperes. Therefore, for 4v to watts we get:
  • Direct current (DC): W = [1.5 A] × [4 V] = 6 watts
  • Alternating current (AC), 1 Phase: W = 0.5 × [1.5 A] × [4 V] = 3 watts
  • Alternating current (AC), 3 Phases, L-L: W = √3 × 0.5 × [1.5 A] × [4 V] = 5.2 W
  • Alternating current (AC), 3 Phases, L-N: W = 3 × 0.5 × [1.5 A] × [4 V] = 9 watts

Additional Information

Remember, these values for 4 volts in watts are example calculations under the assumption PF = 0.5 and I = 1.5 A. For your power factor, amperage and circuit, use our calculator.

Enter 4 in the Volts field, then choose your circuit from the drop-down menu. If requested, insert the PF. Next, in the Amps field, enter your electric current.

If you wish to start over, first hit Reset, then proceed as explained above.

Similar voltage to power conversions on our site include:

In the next section of our post you can find the instructions for using our custom search form, as well as the summary of 4v to watts.

4v to Watts Summary

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– Article written by Mark