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Urine & CSF

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

mg/24 h = mmol/24 h × 168.1

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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 × 168.1
mg/24 h → mmol/24 hmmol/24 h = mg/24 h × 0.005949

Conversion table

Highlighted: values inside the adult reference range.

mmol/24 hmg/24 h
1168.1
2336.2
3504.3
4672.4
5840.5
61009
71177
81345
91513
101681
111849

Reference range

1.5 – 4.5 mmol/24 h = 252.1 – 756.4 mg/24 h

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 Uric acid (24-h urine) from mmol/24 h to mg/24 h?

mg/24 h = mmol/24 h × 168.1. For example, 3 mmol/24 h equals 504 mg/24 h.

How many mg/24 h are 3 mmol/24 h?

3 mmol/24 h equal 504 mg/24 h (Uric acid (24-h urine)).

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

mmol/24 h = mg/24 h × 0.005949.

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