Free T4: ng/dL ↔ pmol/L converter
Convert free t4 between ng/dL and pmol/L instantly - type a value in either box. With the exact formula, a reference table and what it means for your result.
Formula: pmol/L = ng/dL × 12.87
Common values
| ng/dL | pmol/L |
|---|---|
| 0.8 | 10 |
| 1 | 13 |
| 1.2 | 15 |
| 1.5 | 19 |
| 1.8 | 23 |
Frequently asked questions
What is the formula to convert free t4?
pmol/L = ng/dL × 12.87. To go the other way, divide instead of multiply.
Which unit does my country use for free t4?
The US typically reports ng/dL; most of Europe, Russia and Israel use pmol/L. Your lab prints its unit next to the value.
Does converting change what my result means?
No - it's the same value in a different unit. Always compare it to your own lab's reference range and discuss with your doctor.
Reading a full lab report? See the Free T4 marker guide or upload your report - Mediora explains every value.
Upload a test - freeConversion is provided for convenience - always read your result against your own lab's units and reference range, with your doctor.