Laboratory Unit Converter
Conversion Between Measurement Systems
Conversion Result
Test:
Original value:
Converted value:
About Unit Systems
Traditional system used in many laboratories, generally expressing concentrations in mg/dL, g/dL, or specific units per volume.
Internationally standardized system expressing concentrations in mmol/L, µmol/L, or other molar units. Facilitates comparison between different laboratories and countries.
Quick Reference — Common Conversions
| Test | Conventional | SI | Factor |
|---|---|---|---|
| Glucose | mg/dL | mmol/L | ÷ 18 |
| Cholesterol | mg/dL | mmol/L | ÷ 38.67 |
| Triglycerides | mg/dL | mmol/L | ÷ 88.57 |
| Creatinine | mg/dL | µmol/L | × 88.4 |
| BUN | mg/dL | mmol/L | ÷ 2.8 |
| Lactate | mg/dL | mmol/L | ÷ 9.0 |
Important: Conversion factors are calculated based on IUPAC molecular weights and are mathematically precise. Reference ranges, however, vary between laboratories. Always consult the specific reference intervals of the laboratory that performed the test. This converter is a supporting tool and does not replace clinical interpretation of laboratory results.
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. PubMed ↗
- 2. Lehmann HP, Worth HGJ, Zinder O; IFCC Education Division, Expert Panel of Quantities and Units. A protocol for the conversion of clinical laboratory data. J Autom Chem. 1989;11(5):223–226. PubMed Central ↗
- 3. Hoelzel W, et al. IFCC reference system for measurement of hemoglobin A1c in human blood and the national standardization schemes in the United States, Japan, and Sweden. Clin Chem. 2004;50(1):166–174. PubMed ↗
- 4. Hanas R, John G; International HbA1c Consensus Committee. 2010 consensus statement on the worldwide standardization of the hemoglobin A1c measurement. Diabetes Care. 2010;33(8):1903–1904. PubMed ↗