Prostate Volume Calculator
Estimate prostate volume using TRUS (Transrectal Ultrasound) measurements.
Measuring prostate volume is essential for diagnosing conditions like BPH (Benign Prostatic Hyperplasia) and planning treatments.
Calculator Inputs
Most clinics use the standard ellipsoid formula constant ~0.52
Results
Enter values above to see your results
How It Works
Enter the three dimensions (Length, Width, Height) measured via ultrasound. The calculator applies the standard ellipsoid formula (L × W × H × π/6).
Worked example
Dimensions 4.0 × 3.5 × 3.0
4.0 × 3.5 × 3.0 × 0.523= Multiply21.966= 22.0 ccTips & Best Practices
- •Standard formula constant is π/6 ≈ 0.523.
- •Normal prostate volume is typically considered < 30 cc (or mL).
Frequently Asked Questions
What is the unit?
Volume is expressed in cubic centimeters (cc) or milliliters (mL). 1 cc = 1 mL.
Guides & Articles
Due Date From Ovulation or Conception Date
Add 266 days to an ovulation date or a conception date. A worked example, why both dates use the same rule, and when the period method is the better start.
How Accurate Are Pregnancy Due Dates?
A due date is the 40-week mark from a period, or 38 weeks from ovulation. Most births are not on that exact day. What moves the estimate, and what replaces it.
How Many Days Is a Pregnancy?
280 days (40 weeks) from the last menstrual period, or 266 days (38 weeks) from conception. Same model, different starting point, plus the term labels clinicians use.
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