Apparent Power (S)
Calculate Apparent Power (S) instantly with the exact formula and a worked example. Free online calculator — no signup.
Apparent Power (S)
P, kW
Q, kvar
S (apparent power)
12.8062kVA
S
12,81 kVA
cos φ
0,781
More about: Apparent Power (S)
What it calculates
The “Apparent Power (S)” calculator computes S (apparent power) in kVA from 2 parameters: p, kw, q, kvar.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters P, kW = 10, Q, kvar = 8 the result is 12.81 kVA (S = √(P² + Q²)).
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.