Homocysteine unit converter
Convert homocysteine between µmol/L and mg/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 µmol/L = 0.1352 mg/L. Nothing you type here leaves your browser.
The conversion
- 1 µmol/L = 0.1352 mg/LFrom µmol/L to mg/L: divide by 7.397. Back again: multiply by 7.397.
Mass and molar units are linked by the molecular weight: 135.19 g/mol (L-homocysteine, C4H9NO2S (PubChem)). Source: PubChem, National Library of Medicine.
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| µmol/L | mg/L |
|---|---|
| 5 | 0.68 |
| 10 | 1.35 |
| 14.5 | 1.96 |
| 15 | 2.03 |
| 17.2 | 2.33 |
| 19.2 | 2.6 |
| 20 | 2.7 |
| 21.3 | 2.88 |
| 25 | 3.38 |
| 30 | 4.06 |
| 35 | 4.73 |
| 40 | 5.41 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Homocysteine page.
| Who | µmol/L | mg/L |
|---|---|---|
| 2–12 | up to 9 | up to 1.22 |
| 13–17 | up to 11 | up to 1.49 |
| 18–60 | up to 14.5 | up to 1.96 |
| 61–70 | up to 17.2 | up to 2.33 |
| 71–80 | up to 19.2 | up to 2.6 |
| 81+ | up to 21.3 | up to 2.88 |