Volts to Watts


Welcome to volts to watts, our website explaining the conversion of the voltage (V) in volts to the electrical power (P) in watts. If you have been wondering how many watts in a volt, or if you have been searching for volt to watt, then you have definitively come to the right site. Here you can find the power consumption in watts for a given voltage supply, assumed the amperage (I) in ampere is known; the relation between volt and watt is P = I × V. The unit symbols are W for watts, A for ampere and V for volts. Read on to learn how to convert volts to watts, and make sure to try out our converter further down on this page.

Convert Volts to Watts

There is no direct relation between voltage and electrical power consumption. For this conversion the amperage must be known, too. To convert volts to watts use the formulas:

P(W) = I(A) × V(V) – Direct Current (DC)
P(W) = PF × I(A) × V(V) – Alternating Current (AC), 1 Phase
P(W) = √3 × PF × I(A) × V(V) – Alternating Current (AC), 3 Phase, Line to Line (L-L)
P(W) = 3 × PF × I(A) × V(V) – Alternating Current (AC), 3 Phase, Line to Neutral (L-N)

For example, if your current is 1.5A and your voltage supply is 60V, the results are as follows:

In case of direct current, in order to convert volts to watts multiply the electric current in ampere by the voltage in watts. As a result, the power consumption in watts is 90W (1.5A × 60V).

In case of 1 phase AC, multiply the electric current by the voltage, then multiply the term by the power factor PF. Assumed a PF of 0.6, the power consumption is 54W (1.5A × 60V × 0.6).

For 3 phase AC L-L, multiply the current by the voltage, then multiply the term by the power factor PF and √3. For a PF of 0.6, the power consumption is 93.53W (√3 × 1.5A × 60V × 0.6).

For 3 phase AC L-N, multiply the current by the voltage, then multiply the term by the power factor PF and 3. Supposed a PF of 0.6, the power consumption is 162W (3 × 1.5A × 60V × 0.6).

In an AC circuit, the power factor PF is defined as the ratio real power / apparent power.

The real power is the net transfer of energy passing in one direction, whereas the apparent power is the vector sum of real power + reactive power.

Instead of applying the formula, use our volts to watts calculator below. Start by inserting your amount of volts, choose your circuit, and insert the amperes before hitting the convert button.

Volts to Watts Calculator


To start over using this volts to watts converter, press the reset button. Here you can find all about watts to volts, including, for instance, a converter.

The frequent calculations in this category include, for example:

In the next section you can find the frequently asked questions in the context of the volt to watt conversion, followed by the summary of voltage to power.

Volts to Watts Conversion

In the context of volt to watt, people often search for an answer of the subsequent questions:

  • How many watts in a volt?
  • How many watts are in a volt?
  • How many watts is a volt?
  • How many volts equal a watt?
  • How many watts per volt?

Reading our information, you should be in the position to answer these FAQs without problems. However, if something is missing or needs clarification, then fill out the form at the bottom.

For all other feedback or enquiries get in touch by email. Now, have a look at our search form in the sidebar. If you are using a mobile device, then locate the form by scrolling down.

Assumed your voltage is x, using said form, you can search for x volts into watts, x volt to watt or, for example, x volt to watt conversion. X volts to watts conversion works, too.

Should you have come here in search for voltage to watts, volts vs watts, or difference between volt and watt then, you have found all your answers, too.

In summary, P = I × V is what you should remember. For the details and for using our converter bookmark our website so that you can find back to us easily in the future.

Volts to Watts

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One comment on “Volts to Watts
  1. jackie lowrie says:

    not sure what PF means in this equation ?? Also not sure what the Phases are ?

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