Home Calculators Prostate Volume Calculator

Prostate Volume Calculator

Calculate prostate volume from ultrasound measurements using the ellipsoid formula, estimate PSA density, and interpret results against age-adjusted normal ranges.

Ultrasound Measurements

Enter three dimensions from TRUS or PAUS in centimeters or millimeters

Superior-inferior axis

Left-right axis

Front-back axis

PSA Level & Patient Information

Used for PSA density calculation and age-adjusted interpretation

Prostate Shape Visualization

Scaled ellipsoid showing relative dimensions

Step-by-Step Calculation

Multiple Formula Comparison

Same dimensions using different volumetric formulas

Clinical Interpretation

Age-adjusted normal ranges and BPH grading

Prostate Volume

mL (cc)

PSA Density

ng/mL per mL

Interpretation

volume classification

Free PSA Ratio

free / total PSA

Est. Weight

approx. grams

TZ PSA Density

if TZ vol provided

Age-Adjusted Normal Prostate Volume Reference

Age Group Normal Range Mean Volume Mild BPH Moderate BPH Severe BPH

Medical Disclaimer: This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Prostate volume measurements and PSA values must be interpreted by a qualified urologist or physician in the context of the patient's complete clinical picture, symptoms, and medical history. Always seek the advice of your physician with any questions you may have regarding a medical condition.