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 900 ng/dL, SHBG 30 nmol/L, Albumin 4.3 g/dL: Free testosterone 217.5 pg/mL; Free fraction 2.42 %; Bioavailable testosterone 528 ng/dL; Free testosterone 754 pmol/L.
About the inputs: Total testosterone, SHBG, Albumin