Power calculator

Calculator to convert between different units of power. Just change the number in one of the fields and the other fields will update automatically.
Definitions and formula's used in the Calculator are detailed here.

$P$
$P$
$V_{\mathrm{rms}}$
$V_{\mathrm{pk}}$
$I_{\mathrm{rms}}$
$I_{\mathrm{pk}}$
$Z_{\mathrm{ref}}$