1 Amp to Watts

Welcome to 1 amp to watts, short for 1 ampere to watts. You have also come to the right page if you have been wondering how many watts is 1 amp. To get 1 amp in watts in case of direct current (DC), the only thing we have to know is the potential difference in volts (V). In contrast, for the transformation of 1 amps to watts with alternating current (AC), we additionally have to know the power factor, the number of phases and perhaps the voltage type.

Convert 1 Amp to Watts

To convert 1 amp to watts, by that changing current (I) to power (P), first learn about the criteria. Then apply the corresponding 1 amp (A) to watts (W) formula further down.

For the conversion of 1 amp to watts, find out if your electric current is of type direct or alternating flow of electric charge, as explained in details on our page Amps to Watts.

In case of an alternating current, the 1 amps watts transformation is different for a single-phase and three-phase system. However, the power factor is needed for both.

Moreover, for a three phase electrical generation, line to line voltage and line to neutral voltage require a different constant to convert 1 amp to watts, (√3) and 3, respectively.

  • DC: P(W) = 1 A × V(V)
  • AC, Single Phase: P(W) = 1 A × PF × V(V)
  • AC, Three Phase, Line to Line Voltage: P(W) = 1 A × √3 × PF × VL-L(V)
  • AC, Three Phase, Line to Neutral Voltage: P(W) = 1 A × 3 × PF × VL-0(V)

In an alternating current circuit, the power factor (PF) is equal to the real power P = I2R divided by the apparent power, 0 ≤ PF ≤ 1; here I = 1 A, R = resistance.

Here you can find 1 watt to amps, along with useful information.

In the next section we will show you some 1 amp to watts calculation examples. There, you can also find our calculator. Note that all results on this page are rounded to two decimals.

Next, we’ll answer what is the power consumption in watts if the current is 1 A and the voltage supply is 110 V?

1 Amp to Watts Conversion

As can be concluded from the formulas, in order to convert 1 amp in watts the voltage must be known, too. Supposed the PF is 0.5, and assumed the voltage is 110 V, we obtain these result:

  • DC: P = 1 A × 110 V = 110 W
  • AC, Single Phase: P = 1 A × 0.5 × 110 V AC2= 55 W
  • AC, Three Phase, Line to Line Voltage: AC2P = 1 A × √3 × 0.5 × 110 V = 95.26 W
  • AC, Three Phase, Line to Neutral Voltage: P = 1 A × 3 × 0.5 × 110 V = 165 W

In place of employing the formulas, utilize our amps to watts converter. Enter, for instance, 1 for the current in amps, and note that in any case your voltage in volts is also required.

Subject to your selected current and the number of phases, in addition to the power factor, the voltage type may has to be inserted as well to transform 1 amps to watt.



Bookmark us now if this calculator has been useful to you. Apart from one amp to watts, similar current to power conversions on our website include:

1 Ampere to Watts

If you have been googling how many watts is 1 amp, then you have gotten all the information here. Below you can see the frequently asked question on the subject matter:

  • How many watts in 1 amp?
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1 Amp to Watts

As you know, the answer to the equation 1 amp = watt depends on various parameters:

How many watts is 1 amp at 240 volts, for instance, has a single answer for direct current (DC), yet three possible results in case of alternating current (AC).

In the sequence of our explanations as well as in the order of the drop-down menu, assumed the power factor is 0.5, they are 240, 120, 207.85 and 360 watts, respectively.

Similarly, 1 amp at 220 volts to watts is 220, 110, 190.53, 330 watts, and, finally, 1 amp to watts 120 volts is 120, 60, 103.92 and 180 watts, respectively.

Take notice that you can also find many conversions, including 1 amp to watts, using the search form in the sidebar. Insert, for example, 1 amps to watts calculator.

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