Testosterone: ng/dL to nmol/L
Convert Testosterone between ng/dL and nmol/L — Total testosterone is reported in ng/dL in the US and nmol/L elsewhere. Type in either box to convert both ways.
Testosterone conversion table (ng/dL to nmol/L)
| Testosterone (ng/dL) | Testosterone (nmol/L) |
|---|---|
| 10 ng/dL | 0.346717 nmol/L |
| 50 ng/dL | 1.73358 nmol/L |
| 100 ng/dL | 3.46717 nmol/L |
| 300 ng/dL | 10.4015 nmol/L |
| 500 ng/dL | 17.3359 nmol/L |
| 700 ng/dL | 24.2702 nmol/L |
| 900 ng/dL | 31.2045 nmol/L |
How to convert Testosterone from ng/dL to nmol/L
To convert Testosterone, multiply ng/dL by 0.0347 (or divide by 28.84) — testosterone has a molar mass of 288.42 g/mol. For example, 1 ng/dL equals 0.0346717 nmol/L. The converter above runs the exact factor at full precision and updates as you type; the swap button flips the direction.
Frequently asked questions
How do you convert Testosterone from ng/dL to nmol/L?
Multiply ng/dL by 0.0347 (or divide by 28.84) — testosterone has a molar mass of 288.42 g/mol. For example, 1 ng/dL is 0.0346717 nmol/L. The converter above does this instantly and works both ways — type a value in either box. It uses the exact factor at full precision, so the result matches published clinical conversions.
What is a normal Testosterone level?
Typical total testosterone in adult men is about 264–916 ng/dL (9.2–31.8 nmol/L); levels in women are far lower (about 8–60 ng/dL) and both decline with age. These are general adult figures only — the reference interval on your own lab report is what applies to you, and it can differ by lab, method, age and sex. The conversion table above runs from 10 to 900 ng/dL, or 0.346717 to 31.2045 nmol/L, so a range quoted in either system can be lined up against your own figure.
Why is Testosterone reported in different units?
Total testosterone is reported in ng/dL in the US and nmol/L elsewhere. The two systems describe the same measurement, so a value converts exactly from one to the other with no loss of meaning — only the units and the number change. That is why guidelines, journals and lab reports from different countries quote different numbers for the same Testosterone result. The two boxes above are labelled ng/dL and nmol/L, so you can read a value in whichever system your own report uses.
Is this Testosterone converter accurate and free?
Yes — this Testosterone converter is both accurate and free. It applies the standard, published conversion factor at full double precision in your browser, with nothing uploaded or stored, and there is no sign-up or usage limit. It converts units only and does not interpret or diagnose results.
This is a unit-conversion reference tool, not a diagnosis or medical advice. Reference intervals are general adult guides that vary by laboratory, method and individual — always read your result against the range printed on your own report and discuss it with a qualified healthcare professional.
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