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Electrolytes & minerals

Phosphate: convert mmol/L to mg/dL

mg/dL = mmol/L × 3.097

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Enter a value in any unit and all other units fill in.

Conversion formulas

mmol/L → mg/dLmg/dL = mmol/L × 3.097
mg/dL → mmol/Lmmol/L = mg/dL × 0.3229

Conversion table

Highlighted: values inside the adult reference range.

mmol/Lmg/dL
0.20.6194
0.41.239
0.61.858
0.82.478
13.097
1.23.716
1.44.336
1.64.955
1.85.574
26.194
2.26.813
2.47.433
2.68.052
2.88.671
39.291
3.29.91

Reference range

0.8 – 1.5 mmol/L = 2.478 – 4.645 mg/dL

Source: Pathology Harmony Group (ACB, IBMS, RCPath): Agreed Adult Clinical Biochemistry Reference Intervals, January 2011 · Last reviewed: 2026-10-14

Frequently asked questions

How do I convert Phosphate from mmol/L to mg/dL?

mg/dL = mmol/L × 3.097. For example, 1.2 mmol/L equals 3.72 mg/dL.

How many mg/dL are 1.2 mmol/L?

1.2 mmol/L equal 3.72 mg/dL (Phosphate).

How do I convert Phosphate from mg/dL back to mmol/L?

mmol/L = mg/dL × 0.3229.

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