Calculator

Prostate volume and PSA density.

Enter prostate length, height, and width in centimeters. The same measurements feed both the bullet and ellipsoid formulas, with optional PSA density if a PSA value is entered.

Inputs

Bullet --

L x H x W x 0.65

PSA density
Enter PSA
Ellipsoid --

L x H x W x 0.523

PSA density
Enter PSA

Formula Notes

This tool is for education and quick estimation. Clinical decisions should use the measurement method, imaging context, and physician judgment appropriate to the patient.