Prostate Volume Calculator

Calculate prostate volume using the ellipsoid formula from ultrasound or MRI measurements

Prostate Measurements

Length (AP Diameter)

Height (CC Diameter)

Width (Transverse)

AP (Anteroposterior) = Length | CC (Craniocaudal) = Height | Transverse = Width

PSA (Prostate-Specific Antigen)

PSA Level

ng/mL

PSA Density

ng/mL/cc

Normal Prostate Volume by Age

20-30 years: 15-20 cc
30-40 years: 18-22 cc
40-50 years: 20-25 cc
50-60 years: 25-35 cc
60-70 years: 30-45 cc
70+ years: 35-55 cc

PSA Levels & Interpretation

0-2.5 ng/mL: Normal
2.6-4.0 ng/mL: Borderline
4.0-10.0 ng/mL: Elevated
>10.0 ng/mL: High

PSA Density

<0.15: Lower risk of cancer
0.15-0.20: Intermediate risk
>0.20: Higher risk, consider biopsy

Formula

Ellipsoid Volume: π/6 × L × H × W
Weight: Volume × 1.05 g/cc
PSA Density: PSA / Volume
Standard prostate density ≈ 1.05 g/mL