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Urea / BUN Converter

Convert between blood urea nitrogen (mg/dL) and urea (mmol/L or mg/dL).

Everyone & professionalsUnit convertersv1.0.0

Your measurements

Calculated on your device. Nothing is sent to a server.

Your result will appear here

Enter your measurements, then press Calculate.

Methodology

Urea 60.06 g/mol contains 2 N atoms (28.01 g/mol)

BUN mg/dL = urea mmol/L × 2.801; urea mg/dL = BUN mg/dL × 2.144

Blood urea nitrogen measures only the nitrogen in urea. 1 mmol/L of urea contains 2.801 mg/dL of urea nitrogen.

Who it is for
Any result reported in these units.
Version
1.0.0

Limitations

  • Check which unit your laboratory uses before converting.

References

  1. Young DS. Implementation of SI units for clinical laboratory data: style specifications and conversion tables. Ann Intern Med. 1987;106(1):114–129. doi:10.7326/0003-4819-106-1-114

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