Three-Phase Power
Calculate Three-Phase Power instantly with the exact formula and a worked example.
Three-Phase Power
U_line, V
I, A
cos φ
3-phase power
11.7779kW
P
11,78 kW
S
13,86 kVA
More about: Three-Phase Power
What it calculates
The “Three-Phase Power” calculator computes 3-phase power in kW from 3 parameters: u_line, v, i, a, cos φ.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters U_line, V = 400, I, A = 20, cos φ = 0.85 the result is 11.78 kW (P = √3·U·I·cos φ).
How to use
- Enter u_line, v, i, a and cos φ — each field above is adjustable with a slider.
- 3-phase power (kW) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Three-Phase Power calculated?
The Three-Phase Power calculator computes 3-phase power (in kW) from u_line, v, i, a, cos φ. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Three-Phase Power 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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