Volts to Watts Conversion Calculator Voltage to Power Converter

Volts to Watts Conversion Calculator (V to W):

Select current type:  
Enter voltage in volts: V
Enter current in amps: A
   
Power result in watts: W

Enter the voltage (V), current (A) and power factor value in the below column respectively. After pressing the calculate button, you get the real power (W) in watts at the result column. Also by using the reset button, you can clear the existing values in the field.

While choosing three phase, you have to enter line to line voltage only.

DC volts to watts calculation formula:

DC watt can be calculated by the multiplication of the Amps and Volts.

P(W) = V(V) × I(A)

Power = Volts * Amps

Watt = Voltage * Current

Example:

Let’s take, an electric circuit current flow of 10 Amps and the applied voltage is 24 Volts. Calculate the DC power in watts?

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Apply our formula,

Watt = 24 * 10 = 240 Watts.

Single Phase AC Volts to Watt calculation formula:

Single-phase power is the multiplication of voltage, current and power factor. Let we found the formula using the below relation.

Power = Current * voltage * power factor

Watt = Volts * Amps * pf

P(W) = V(V) × I(A) x pf

Look at this, the real power is directly proportional to the current, voltage and power factor. Real power is used to indicate the capacity of the particular equipment.

Example.

A single-phase motor takes 25 A at 230 volts and operating at 0.95 power factor.

Apply above formula,

P(W) = 230 × 25 x 0.95

P(W) = 5462.5 Watts

The motor power is 5462.5 Watts.

Three-phase AC volts to the watts calculation formula

We have two sets of three-phase watt formula based on the line to line and line to neutral voltage.

On line to Line voltage:

The power in watt (W) equal to root 3 times of multiplication of volts (V), Amps (A) and pf.

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P(W) = 3 × PF × I(A) × VL-L(V)

The line to neutral voltage:

The power is three times of multiplication of current, voltage and power factor. Hence,

P(W) = 3 × PF × I(A) × VL-N(V)

Volts to Watt conversion chart:

Below table is prepared based on the different power factor of 0.96 and 0.86 to show the variation of how the power factor hits the motor rating.

Also for calculating watts, we have used single-phase formula only.

S. No AC (L-L)/ DC Volts DC/AC Amps Watt at 0.86 pf W at 0.96 pf DC Watt
1 230 1.88 371 414 431.25
2 230 2.75 544 607 632.5
3 230 3.75 742 828 862.5
4 230 5.50 1088 1214 1265
5 230 9.25 1830 2042 2127.5
6 230 13.75 2720 3036 3162.5
7 230 18.75 3709 4140 4312.5
8 230 27.50 5440 6072 6325
9 230 37.50 7418 8280 8625
10 230 55.00 10879 12144 12650
11 230 92.50 18297 20424 21275
12 230 125.00 24725 27600 28750
13 230 187.50 37088 41400 43125
14 230 225.00 44505 49680 51750
15 230 275.00 54395 60720 63250
16 230 330.00 65274 72864 75900
17 230 375.00 74175 82800 86250
18 230 437.50 86538 96600 100625
19 230 550.00 108790 121440 126500
20 230 625.00 123625 138000 143750
21 230 700.00 138460 154560 161000
22 230 775.00 153295 171120 178250
23 230 875.00 173075 193200 201250
24 230 937.50 185438 207000 215625
25 230 1050.00 207690 231840 241500
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