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 30 nmol/L, Albumin 4.3 g/dL: Free testosterone 247.4 pg/mL; Free fraction 2.47 %; Bioavailable testosterone 600.5 ng/dL; Free testosterone 857.6 pmol/L.
About the inputs: Total testosterone, SHBG, Albumin