Typical Values
Total Testosterone (ng/dL): 500 ng/dL; SHBG (nmol/L): 30 nmol/L; Albumin (g/dL): 4.5 g/dL
Bioavailable Testosterone (ng/dL): 88.49557522 ng/dL; Free Testosterone (ng/dL): 265.4867257 ng/dL
Free Testosterone Calculator with Bioavailable Levels
Health0.0(0)
Estimates the amount of biologically active testosterone based on total testosterone, SHBG, and albumin levels.
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How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Total Testosterone (ng/dL), SHBG (nmol/L), and Albumin (g/dL) in the units shown.
Step 2
Read Bioavailable Testosterone (ng/dL) and Free Testosterone (ng/dL) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Low Testosterone
Total Testosterone (ng/dL): 300 ng/dL; SHBG (nmol/L): 40 nmol/L; Albumin (g/dL): 4 g/dL
Bioavailable Testosterone (ng/dL): 41.66666667 ng/dL; Free Testosterone (ng/dL): 125 ng/dL
High SHBG
Total Testosterone (ng/dL): 600 ng/dL; SHBG (nmol/L): 60 nmol/L; Albumin (g/dL): 4.8 g/dL
Bioavailable Testosterone (ng/dL): 58.25242718 ng/dL; Free Testosterone (ng/dL): 174.7572816 ng/dL
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Important
Use the result as an estimate and confirm any medical decisions with a qualified professional.