Folate unit converter
Convert folate between ng/mL and nmol/L. Type in either box. The factors come from our catalog and are checked by code.
AI-drafted. Awaiting verificationLast reviewed 2026-10-03
1 ng/mL = 2.2655 nmol/L. Nothing you type here leaves your browser.
The conversion
- 1 ng/mL = 2.266 nmol/LFrom ng/mL to nmol/L: multiply by 2.266. Back again: divide by 2.266.
Mass and molar units are linked by the molecular weight: 441.4 g/mol (folic acid (pteroylglutamic acid), C19H19N7O6, the conventional basis for reporting total folate). Source: PubChem (National Library of Medicine).
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| ng/mL | nmol/L |
|---|---|
| 2 | 4.5 |
| 3 | 6.8 |
| 4 | 9.1 |
| 4.4 | 10 |
| 6 | 13.6 |
| 8 | 18.1 |
| 10 | 22.7 |
| 12 | 27.2 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Folate page.
| Who | ng/mL | nmol/L |
|---|---|---|
| Adults | 3 and above | 6.8 and above |