Bristol Stool Scale Classifier

Developed by the University of Bristol (1997), this scale is the global clinical standard for classifying human feces into seven categories. It is a vital, objective metric for communicating with gastroenterologists.

How to use: Select the description that most closely matches your typical stool form. Use this data when discussing symptoms with a healthcare provider.

Select a type from the list to view clinical interpretation.

Javascript is disabled. Please refer to the text descriptions above to identify your stool type. Types 1-2 indicate constipation, Types 3-4 are ideal, and Types 5-7 indicate diarrhea.