Urea mmol/L to mg/dL Converter
Instantly convert blood urea results between mmol/L and mg/dL. Free, accurate unit converter with a full conversion chart and typical reference ranges.
Convert Your Urea Result
Enter your urea value in mmol/L below to instantly see the equivalent in mg/dL, along with the corresponding BUN (urea nitrogen) figure.
Urea Value
Enter your lab result to convert between units
Unit Conversion
Estimated urea concentration
Urea mmol/L to mg/dL Conversion Chart
Common urea values converted from mmol/L to mg/dL, to help you quickly check where a result falls without doing the maths yourself.
| Urea (mmol/L) | Urea (mg/dL) | BUN (mg/dL) |
|---|---|---|
| 2.5 mmol/L | 15.0 mg/dL | 7.0 mg/dL |
| 3.5 mmol/L | 21.0 mg/dL | 9.8 mg/dL |
| 5.0 mmol/L | 30.0 mg/dL | 14.0 mg/dL |
| 7.1 mmol/L | 42.6 mg/dL | 19.9 mg/dL |
| 10.0 mmol/L | 60.1 mg/dL | 28.0 mg/dL |
| 15.0 mmol/L | 90.1 mg/dL | 42.0 mg/dL |
| 20.0 mmol/L | 120.1 mg/dL | 56.0 mg/dL |
| 30.0 mmol/L | 180.2 mg/dL | 84.0 mg/dL |
Urea Unit Conversion FAQ
Everything you need to know about converting blood urea results between mmol/L and mg/dL.
Multiply the urea value in mmol/L by 6.006, which is the molecular weight of urea (60.06 g/mol) divided by 10. For example, a urea reading of 5 mmol/L equals approximately 30 mg/dL.
A typical adult reference range is roughly 2.5 to 7.1 mmol/L, which is about 15 to 43 mg/dL. Exact ranges vary between laboratories, age groups and testing methods, so always check the reference range printed on your own lab report.
No. Urea and BUN measure different parts of the same molecule. Urea mmol/L is converted to mg/dL using a factor of 6.006, while BUN mmol/L is converted using a factor of 2.801, since BUN reflects only the nitrogen content of urea.
The UK and most of Europe report urea in SI units as mmol/L, while the US typically reports it in mg/dL as either urea or BUN. This can make it confusing to compare results between countries, which is why a conversion tool is useful.