Magnesium: units, conversion and tracking
Updated
Short answer
Magnesium is reported in mg/dL and mmol/L. 1 mmol/L = 2.43 mg/dL.
Convert magnesium
Enter a value to see the converted result.
Converts units only and does not interpret a result. For other markers, use the full unit converter.
What is magnesium?
A mineral involved in muscle, nerve and enzyme function; the blood level is tightly regulated.
BiomarkerHQ groups magnesium under Vitamins and minerals. On lab reports it can also appear as magnesium serum, serum magnesium and magnesium total.
Magnesium units and conversion
BiomarkerHQ stores each magnesium result in the unit printed on the report, and charts and compares results in mg/dL.
1 mmol/L = 2.43 mg/dL
1 mg/dL = 0.4114 mmol/L
| mmol/L | mg/dL |
|---|---|
| 0.5 mmol/L | 1.215 mg/dL |
| 0.6 mmol/L | 1.458 mg/dL |
| 0.7 mmol/L | 1.701 mg/dL |
| 0.8 mmol/L | 1.944 mg/dL |
| 0.9 mmol/L | 2.187 mg/dL |
| 1 mmol/L | 2.43 mg/dL |
| 1.2 mmol/L | 2.917 mg/dL |
| mg/dL | mmol/L |
|---|---|
| 1 mg/dL | 0.4114 mmol/L |
| 1.5 mg/dL | 0.6172 mmol/L |
| 2 mg/dL | 0.8229 mmol/L |
| 2.5 mg/dL | 1.029 mmol/L |
| 3 mg/dL | 1.234 mmol/L |
| 3.5 mg/dL | 1.44 mmol/L |
| 4 mg/dL | 1.646 mmol/L |
For another value, use the lab unit converter. It converts units only and does not interpret a result.
Tracking magnesium over time
In BiomarkerHQ, each magnesium result is saved with its collection date, its unit and the reference range printed on that report. The timeline charts the results across your draws against the range from each of your own reports, and any two draws can be compared side by side.
- Keep the unit printed on each report. Convert only to compare.
- Keep each report's own range with its result. See why ranges differ between labs.
- Compare the same lab and conditions where you can. See how to compare two blood tests.
Frequently asked questions
Which units do labs report magnesium in?
Magnesium is reported in mg/dL and mmol/L. BiomarkerHQ stores each result in the unit printed on the report and uses mg/dL for charts and comparisons.
How do I convert magnesium from mmol/L to mg/dL?
1 mmol/L = 2.43 mg/dL. For example, 0.8 mmol/L is 1.944 mg/dL.
How do I convert magnesium from mg/dL to mmol/L?
1 mg/dL = 0.4114 mmol/L. For example, 2.5 mg/dL is 1.029 mmol/L.
Does BiomarkerHQ interpret my magnesium result?
No. It compares a result only with the reference range printed on your own lab report, as below, within or above, and does not say what the result means. Talk to a qualified clinician about your results.
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