Active Power (P)

Calculate Active Power (P) instantly with the exact formula and a worked example.

Active Power (P)

S, kVA
cos φ
P
10.24kW
P = S·cos φCalculate Active Power (P) instantly with the exact formula and a worked example.
P
10,24 kW

More about: Active Power (P)

What it calculates

The “Active Power (P)” calculator computes P in kW from 2 parameters: s, kva, cos φ.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters S, kVA = 12.8, cos φ = 0.8 the result is 10.24 kW (P = S·cos φ).

How to use

  1. Enter s, kva and cos φ — each field above is adjustable with a slider.
  2. P (kW) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Active Power (P) calculated?
The Active Power (P) calculator computes P (in kW) from s, kva, cos φ. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Active Power (P) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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