nmol/L
nmol/L
g/L
Want to understand the marker?
Read what it measures and how to interpret it in context.
Medical disclaimer
This tool is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional for interpretation of your results.
Get your Free Testosterone tested
Order a blood test that includes Free Testosterone.
Key points
- Calculates free and bioavailable testosterone from Total T, SHBG, and Albumin
- Based on the validated Vermeulen equation (1999)
- Free testosterone is the biologically active fraction (~1.5-3.5% of total)
- Useful when total testosterone is borderline but symptoms are present
- Results should be interpreted by a healthcare professional
Quick Facts
- Category
- Hormones
Related Converters
Medical disclaimer
This tool is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional for interpretation of your results.
Check your Free Testosterone
A blood test that includes Free Testosterone.