Vitamin D: ng/mL ↔ nmol/L converter
Convert vitamin d between ng/mL and nmol/L instantly - type a value in either box. With the exact formula, a reference table and what it means for your result.
Formula: nmol/L = ng/mL × 2.496
Common values
| ng/mL | nmol/L |
|---|---|
| 10 | 25 |
| 20 | 50 |
| 30 | 75 |
| 50 | 125 |
| 80 | 200 |
| 100 | 250 |
Frequently asked questions
What is the formula to convert vitamin d?
nmol/L = ng/mL × 2.496. To go the other way, divide instead of multiply.
Which unit does my country use for vitamin d?
The US typically reports ng/mL; most of Europe, Russia and Israel use nmol/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 Vitamin D 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.