Prostate Volume Calculator

A Prostate Volume Calculator is a medical tool used to estimate the size of the prostate gland based on ultrasound or MRI measurements. The standard formula for calculation of prostate volume is:

Volume (ml) = (π/6) × Length (cm) × Width (cm) × Height (cm)

This formula assumes the prostate is shaped like an ellipsoid, which is the most common method used in clinical practice.

Why Is Measuring Prostate Volume Important?

• Helps diagnose Benign Prostatic Hyperplasia (BPH)

• Assesses risk of prostate cancer

• Guides treatment decisions (medication vs. surgery)

• Monitors disease progression over time

How to Use Our Prostate Volume Calculator

Our free online Prostate Volume Calculator makes it easy to determine prostate size in seconds. Follow these steps:

1. Enter Measurements (in centimeters):

   • Length (L) – Anteroposterior dimension

   • Width (W) – Transverse dimension

   • Height (H) – Craniocaudal dimension

2. Click “Calculate Volume”

   • The tool uses the ellipsoid formula to compute volume

3. View & Download Results

   • See your prostate volume in milliliters (ml)

   • Compare with normal range (15-30 ml)

   • Download a PDF/text report for medical records

Prostate Volume Formula Explained

The most accurate calculation of prostate volume follows the prolate ellipsoid formula:

Volume=π6×Length×Width×HeightVolume=6π​×Length×Width×Height

Example Calculation:

If a prostate measures:

• Length = 3.5 cm

• Width = 4.0 cm

• Height = 3.0 cm

Volume=3.14166×3.5×4.0×3.0=21.99 mlVolume=63.1416​×3.5×4.0×3.0=21.99ml

This falls within the normal range (15-30 ml).

Clinical Significance of Prostate Volume

Conditions Linked to Prostate Volume:

✅ BPH (Benign Prostatic Hyperplasia) – Enlarged prostate causing urinary issues
✅ Prostate Cancer – Abnormal growth requiring biopsy if PSA is elevated
✅ Prostatitis – Inflammation leading to swelling

How Prostate Volume Affects Treatment

• Medical Therapy (for 30-80 ml volumes)

  • Alpha-blockers (Tamsulosin)

  • 5-alpha-reductase inhibitors (Finasteride)

• Surgical Options (for >80 ml)

  • TURP (Transurethral Resection of Prostate)

  • Laser Prostatectomy

FAQs About Prostate Volume Calculation

1. What is a normal prostate volume?

A healthy prostate is typically 15-30 ml. Over 30 ml may indicate BPH.

2. How is prostate volume measured?

• TRUS (Transrectal Ultrasound) – Most common

• MRI – More precise but expensive

• CT Scan – Less common for prostate

3. Does prostate volume correlate with cancer risk?

Not directly, but a rapidly increasing volume may require further tests.

4. Can I calculate prostate volume at home?

No, imaging (ultrasound/MRI) is needed for measurements, but our Prostate Volume Calculator helps interpret results.

Conclusion: Monitor Prostate Health with Our Calculator

Our Prostate Volume Calculator provides a quick, accurate way to assess prostate size—essential for early detection of BPH, cancer, and other conditions. Bookmark this tool and download your results for discussions with your urologist.

📥 Try Our Free Prostate Volume Calculator Now!