Calcium (CSF): convert mEq/L to mmol/L
mmol/L = mEq/L × 0.5
Calculator
Enter a value in any unit and all other units fill in.
Conversion formulas
| mEq/L → mmol/L | mmol/L = mEq/L × 0.5 |
|---|---|
| mmol/L → mEq/L | mEq/L = mmol/L × 2 |
Conversion table
Highlighted: values inside the adult reference range.
| mEq/L | mmol/L |
|---|---|
| 0.5 | 0.25 |
| 1 | 0.5 |
| 1.5 | 0.75 |
| 2 | 1 |
| 2.5 | 1.25 |
| 3 | 1.5 |
| 3.5 | 1.75 |
| 4 | 2 |
| 4.5 | 2.25 |
| 5 | 2.5 |
| 5.5 | 2.75 |
| 6 | 3 |
Reference range
2.2 – 2.5 mEq/L = 1.1 – 1.25 mmol/L
Source: Pirke, Wisser, Mertin (1972): Elektrolytkonzentrationen in Liquor und Serum, Z Klin Chem Klin Biochem 10:462-466 (HU Berlin edoc) · Last reviewed: 2026-10-19