Free PSA unit converter
Free PSA (PSA ratio in prostate cancer work-up)
Also known as: Freies PSA
Converter
Enter a value in any unit and all other units fill in.
Conversion formulas
| Equivalent notations | ng/mL = µg/L | 1 : 1 |
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Good to know
Free PSA is reported in ng/mL or µg/L. The page converts between the units only.
- 1 µg/L = 1 ng/mL; the two notations are interchangeable.
- No established reference range is listed here; compare your result only with the range printed on your own report.
Reference range
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Source: BIPM: SI prefixes · Last reviewed: 2026-10-19
Note from the source: No established reference range; the page converts units only. Both units describe the same quantity and differ only by a prefix.