RBC Folate unit converter
Convert RBC 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: NIH National Library of Medicine (PubChem).
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| ng/mL | nmol/L |
|---|---|
| 100 | 227 |
| 135 | 306 |
| 200 | 453 |
| 280 | 634 |
| 300 | 680 |
| 400 | 906 |
| 500 | 1,133 |
| 600 | 1,359 |
| 700 | 1,586 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the RBC Folate page.
| Who | ng/mL | nmol/L |
|---|---|---|
| Adults | 280 and above | 634 and above |