PSA Doubling Time Calculator

Free calculate PSA doubling time. This is an educational tool only - always consult a healthcare provider.

PSA Measurements

Results

Enter PSA measurements to calculate doubling time

About PSA Doubling Time

  • • DT = (Time × log(2)) / log(PSA2/PSA1)
  • • >10 years: Low risk
  • • 3-10 years: Moderate risk
  • • <3 years: High risk
  • • Used in active surveillance