Free Testosterone Calculator

Calculate free testosterone from total testosterone and SHBG. Determine bioavailable testosterone levels for hormone assessment. This is an educational tool only - always consult a healthcare provider.

Hormone Levels

Results

Enter hormone levels to calculate free testosterone

About Free Testosterone

  • • Free T = Total T × (1 - bound fraction)
  • • Normal men: 9-30 pg/mL
  • • Normal women: 0.3-1.9 pg/mL
  • • Bioavailable = Free + Albumin-bound