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Urine & CSF

Oxalate (24-h urine): convert mmol/24 h to mg/24 h

mg/24 h = mmol/24 h × 88.02

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

Conversion formulas

mmol/24 h → mg/24 hmg/24 h = mmol/24 h × 88.02
mg/24 h → mmol/24 hmmol/24 h = mg/24 h × 0.01136

Conversion table

Highlighted: values inside the adult reference range.

mmol/24 hmg/24 h
0.18.802
0.217.6
0.326.41
0.435.21
0.544.01
0.652.81
0.761.61
0.870.42
0.979.22
188.02
1.196.82
1.2105.6

Reference range

0.04 – 0.49 mmol/24 h = 3.521 – 43.13 mg/24 h

Source: Newcastle Hospitals Laboratories: Oxalate, urine · Last reviewed: 2026-10-19

Frequently asked questions

How do I convert Oxalate (24-h urine) from mmol/24 h to mg/24 h?

mg/24 h = mmol/24 h × 88.02. For example, 0.3 mmol/24 h equals 26.4 mg/24 h.

How many mg/24 h are 0.3 mmol/24 h?

0.3 mmol/24 h equal 26.4 mg/24 h (Oxalate (24-h urine)).

How do I convert Oxalate (24-h urine) from mg/24 h back to mmol/24 h?

mmol/24 h = mg/24 h × 0.01136.

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