Bladder Volume Tool

Calculator

Patient ID (optional)

Weight (kg)

L (longitudinal length, cm)

W (transverse width, cm)

DL (longitudinal depth, cm)

DT (transverse depth, cm)

Note (optional)

— mL

Bladder volume %

Expected max — mL

Log

Search (patient ID / note)

Sort

When	Patient	Vol (mL)	% max	Actions
No entries yet.

Read me

Calculation

V = L × W × ((DL + DT) / 2) × 0.625

Expected maximum bladder volume

15 × body weight (kg)

References

Carwardine DR, Rose JH, Harcourt-Brown TR, Granger N. Effectiveness of manual bladder expression in paraplegic dogs. Am J Vet Res. 2017 Jan;78(1):107-112. doi: 10.2460/ajvr.78.1.107. PMID: 28029295.

https://doi.org/10.1111/j.1748-5827.1999.tb03786.x

Tip: for iPhone home-screen use, open this page in Safari, then Share → “Add to Home Screen”.