Free T4: convert ng/dL to pmol/L
pmol/L = ng/dL × 12.87
Calculator
Enter a value in any unit and all other units fill in.
Conversion formulas
| ng/dL → pmol/L | pmol/L = ng/dL × 12.87 |
|---|---|
| pmol/L → ng/dL | ng/dL = pmol/L × 0.0777 |
Conversion table
Highlighted: values inside the adult reference range.
| ng/dL | pmol/L |
|---|---|
| 0.5 | 6.435 |
| 1 | 12.87 |
| 1.5 | 19.3 |
| 2 | 25.74 |
| 2.5 | 32.17 |
| 3 | 38.61 |
| 3.5 | 45.04 |
| 4 | 51.48 |
| 4.5 | 57.91 |
Reference range
0.8003 – 1.904 ng/dL = 10.3 – 24.5 pmol/L
Source: MedlinePlus (NLM): Free T4 test · Last reviewed: 2026-10-14