Bristol Stool Chart

Type 1 Example of a type 1 stool

Separate hard lumps, like nuts (hard to pass)

Type 2 Example of a type 2 stool

Sausage-shaped but lumpy

Type 3 Example of a type 3 stool

Like a sausage but with cracks on its surface

Type 4 Example of a type 4 stool

Like a sausage or snake, smooth and soft

Type 5 Example of a type 5 stool

Soft blobs with clear cut edges (passed easily)

Type 6 Example of a type 6 stool

Fluffy pieces with ragged edges, a mushy stool

Type 7 Example of a type 7 stool

Watery, no solid pieces.
Entirely liquid

The Bristol Stool Chart is a recognised tool used within health providers across the UK.


A stool between type 3-5 is ideal.


A stool that is type 1-2 indicates constipation. It is important to recognise you can also have type 7 stool with constipation due to overflow diarrhoea.

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