Free testosterone, calculated
Enter total testosterone, SHBG and albumin from your lab report. The Vermeulen equation, with the paper it comes from and the constants it uses shown.
With Total testosterone 600 ng/dL, SHBG 45 nmol/L, Albumin 4.3 g/dL: Free testosterone 104.7 pg/mL; Free fraction 1.75 %; Bioavailable testosterone 254.3 ng/dL; Free testosterone 363.1 pmol/L.
About the inputs: Total testosterone, SHBG, Albumin