Prostate Volume Calculator

Prostate Volume Formula:

\[ V_{prostate} = \frac{\pi}{6} \times L \times W \times H \]

Prostate Volume (cm³):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is a Prostate Volume Calculator?

Definition: This calculator estimates prostate volume using the ellipsoid approximation formula based on length, width, and height measurements.

Purpose: It helps medical professionals assess prostate size, which is important for diagnosing and monitoring conditions like benign prostatic hyperplasia (BPH).

2. How Does the Calculator Work?

The calculator uses the formula:

\[ V_{prostate} = \frac{\pi}{6} \times L \times W \times H \]

Where:

\( V_{prostate} \) — Prostate volume (cm³)
\( L \) — Length (cm)
\( W \) — Width (cm)
\( H \) — Height (cm)

Explanation: The formula approximates the prostate as an ellipsoid shape, which is a common method in urological practice.

3. Importance of Prostate Volume Calculation

Details: Prostate volume assessment helps in evaluating BPH severity, planning surgical interventions, and monitoring disease progression.

4. Using the Calculator

Tips: Enter the length, width, and height measurements in centimeters (typically obtained from TRUS or MRI imaging). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What imaging methods provide these measurements?
A: Transrectal ultrasound (TRUS) and MRI are most commonly used to obtain prostate dimensions.

Q2: What's a normal prostate volume?
A: Normal prostate volume is typically 20-30 cm³ in young men, often increasing with age.

Q3: How accurate is this calculation?
A: The ellipsoid formula provides a good estimate but may slightly underestimate true volume compared to planimetry.

Q4: When is prostate volume measurement needed?
A: For BPH evaluation, prostate cancer assessment, and preoperative planning for prostate procedures.

Q5: Can this calculator estimate prostate weight?
A: Yes, prostate weight in grams is approximately equal to volume in cm³ (density ~1.05 g/cm³).