To improve the usability by allowing a user to use a fare adjusting device by a single hand with his/her riding in a vehicle in installing a cover on a fare adjusting opening provided in a control panel in the fare adjusting device usable from a vehicle.

This fare adjusting device 13 usable from a vehicle is so formed that the cover 30 for the fare adjusting opening 27 is provided in the control panel 20 so as to be freely opened/closed, the cover 30 can stand still at both of the opening position and the closing position, and it can be opened/closed by the single hand of the user.