Abstract: Disclosed herein is a urinary output monitoring system. The system can include a urinary output monitoring device having a device body with a front panel and a back panel, and a fluid collection bag attachment configured to be detachably coupled to the front panel and to secure a fluid collection bag. The system can further include a load cell configured to determine a load placed upon the fluid collection bag attachment. The load cell can be in communication with a console. An attachment system can be configured to couple the urinary output monitoring system to a securing surface, for example to the back panel, and can have two or more contact points coupled to one or more rails defining a longitudinal axis, the contact points defining a lateral axis and configured to longitudinally move along the rails.