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 1000 ng/dL, SHBG 15 nmol/L, Albumin 4.3 g/dL: Free testosterone 318.4 pg/mL; Free fraction 3.18 %; Bioavailable testosterone 773 ng/dL; Free testosterone 1103.9 pmol/L.
About the inputs: Total testosterone, SHBG, Albumin