Vitamin C unit converter
Convert vitamin C between mg/dL, µmol/L and mg/L. Type in either box. The factors come from our catalog and are checked by code.
AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03
1 mg/dL = 56.7795 µmol/L. Nothing you type here leaves your browser.
The conversion
- 1 mg/dL = 56.78 µmol/LFrom mg/dL to µmol/L: multiply by 56.78. Back again: divide by 56.78.
- 1 mg/dL = 10 mg/LFrom mg/dL to mg/L: multiply by 10. Back again: divide by 10.
Mass and molar units are linked by the molecular weight: 176.12 g/mol (ascorbic acid, C6H8O6 (PubChem CID 54670067)).
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| mg/dL | µmol/L | mg/L |
|---|---|---|
| 0.19 | 11 | 1.9 |
| 0.4 | 23 | 4 |
| 0.41 | 23 | 4.1 |
| 0.5 | 28 | 5 |
| 1 | 57 | 10 |
| 1.5 | 85 | 15 |
| 2 | 114 | 20 |
| 2.5 | 142 | 25 |
| 3 | 170 | 30 |
| 3.5 | 199 | 35 |
| 4 | 227 | 40 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Vitamin C page.
| Who | mg/dL | µmol/L | mg/L |
|---|---|---|---|
| Adults | 0.4–2 | 23–114 | 4–20 |