Efficiency of transformer
Equation and meaning
\[\eta = \frac{output_{power}}{input_{power}}\]
Use this equation when the shown variables describe your problem. Keep all inputs in compatible units; the calculator converts them to SI internally before solving.
Variables in this formula
eta — EtaEnter this value unless it is the selected unknown.
input_power — Input PowerEnter this value unless it is the selected unknown.
output_power — Output PowerEnter this value unless it is the selected unknown.