Patent ID: 8443018

Claim:
A mobile terminal comprising: a display; a user input unit; and a controller configured to: display on the display a list of unit of measurement when a unit conversion function is executed, wherein each unit of measurement on the list is a unique unit of a same measurement type, display on the display a screen that includes a scale in a reference unit of measurement and scales in at least two other units of measurement when one of the unit of measurement on the displayed list is selected as the reference unit of measurement, wherein the scales in the at least two other units of measurement include a first scale in a first unit of measurement and a second scale in a second unit of measurement, generate a first value in the first unit of measurement corresponding to a location of a touch input applied via the input unit on the first scale in the first unit of measurement and generate a reference value in the reference unit of measurement corresponding to the first value, and simultaneously display on the display the reference value and the first value while the touch input is maintained on the location.