RBC Magnesium unit converter

Convert RBC magnesium between mg/dL and mmol/L. Type in either box. The factors come from our catalog and are checked by code.

AI-drafted. Awaiting verificationLast reviewed 2026-10-03

From

1 mg/dL = 0.4114 mmol/L. Nothing you type here leaves your browser.

The conversion

1 mg/dL = 0.4114 mmol/LFrom mg/dL to mmol/L: divide by 2.43. Back again: multiply by 2.43.

Mass and molar units are linked by the molecular weight: 24.305 g/mol (elemental magnesium (Mg), standard atomic weight). Source: National Library of Medicine, PubChem.

Common values

From zero to about twice the usual upper limit, plus the usual limits themselves.

RBC Magnesium values in mg/dL and mmol/L
mg/dL	mmol/L
2	0.82
3.7	1.52
4	1.65
6	2.47
7	2.88
8	3.29
10	4.11
12	4.94
14	5.76

Usual ranges in each unit

What labs print as the reference range, by who was tested. Sources for each range are on the RBC Magnesium page.

Usual ranges for RBC Magnesium in mg/dL and mmol/L
Who	mg/dL	mmol/L
Adults	3.7–7	1.52–2.88