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 800 ng/dL, SHBG 30 nmol/L, Albumin 4.3 g/dL: Free testosterone 188.6 pg/mL; Free fraction 2.36 %; Bioavailable testosterone 457.9 ng/dL; Free testosterone 653.9 pmol/L.
About the inputs: Total testosterone, SHBG, Albumin