Enter the total number of volt-amps (va) and the total current (amps) into the calculator to determine the Voltage from va.
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Voltage from va Formula
The following formula is used to calculate the Voltage from va.
V = va / I
- Where V is the Voltage from va (volts)
- va is the total number of volt-amps (va)
- I is the total current (amps)
To calculate voltage from volt-amps, simply divide the volt-amps by the current.
| Volt-Amps (VA) | Current (A) | Voltage (V) |
|---|---|---|
| 10 | 2 | 5.000 |
| 12 | 1 | 12.000 |
| 24 | 2 | 12.000 |
| 60 | 5 | 12.000 |
| 24 | 1 | 24.000 |
| 120 | 5 | 24.000 |
| 48 | 1 | 48.000 |
| 240 | 5 | 48.000 |
| 60 | 0.5 | 120.000 |
| 120 | 1 | 120.000 |
| 240 | 2 | 120.000 |
| 600 | 5 | 120.000 |
| 115 | 0.5 | 230.000 |
| 230 | 1 | 230.000 |
| 460 | 2 | 230.000 |
| 1150 | 5 | 230.000 |
| 480 | 1 | 480.000 |
| 960 | 2 | 480.000 |
| 2400 | 5 | 480.000 |
| 3000 | 5 | 600.000 |
| * V calculated as V = S ÷ I (single-phase apparent power). Values rounded to 3 decimals. | ||
How to Calculate Voltage from va?
The following two example problems outline how to calculate the Voltage from va.
Example Problem #1:
- First, determine the total number of volt-amps (va). In this example, the total number of volt-amps (va) is measured to be 125.
- Next, determine the total current (amps). For this problem, the total current (amps) is calculated to be 5.
- Finally, calculate the Voltage from va using the formula above:
V = va / I
Inserting the values from above and solving the equation with the imputed values gives:
V = 125 / 5 = 25 (volts)
Example Problem #2:
Using the same process as example problem 1, we first define the variables outlined by the formula. In this case, the values are:
total number of volt-amps (va) = 160
total current (amps) = 10
Entering these values into the formula above gives :
V = 160 / 10 = 16 (volts)
