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Urine & CSF

Urea (24-h urine): convert g/24 h to mmol/24 h

mmol/24 h = g/24 h × 16.65

Calculator

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

Conversion formulas

g/24 h → mmol/24 hmmol/24 h = g/24 h × 16.65
mmol/24 h → g/24 hg/24 h = mmol/24 h × 0.06006

Conversion table

Highlighted: values inside the adult reference range.

g/24 hmmol/24 h
10166.5
20333
30499.5
40666
50832.5
60999
701166
801332
901498
1001665

Reference range

25.83 – 42.64 g/24 h = 430 – 710 mmol/24 h

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

Frequently asked questions

How do I convert Urea (24-h urine) from g/24 h to mmol/24 h?

mmol/24 h = g/24 h × 16.65. For example, 30 g/24 h equals 499 mmol/24 h.

How many mmol/24 h are 30 g/24 h?

30 g/24 h equal 499 mmol/24 h (Urea (24-h urine)).

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

g/24 h = mmol/24 h × 0.06006.

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