Calculate the result of increasing a power level ("gain" in dB), or decreasng a power level ("loss" or "attenuation" in dB):  (1) Select "gain" or "attenuation", and (2) enter the applicable number of dB. (3) Select the units of the initial power entry and (4) enter the initial power level.  (5) Click "compute" to determine the resulting power level.

NOTE:  Gain/Attenuation and units of power MUST be selected before the calculator will provide results (change numerical entries as desired).