SI Unit -Part 1- Conventional Units Conversion factors (International unit and conventional unit) For Lab Test

- We are going to discuss how to convert SI units to conventional units and vice versa.
- To convert from a conventional unit to an SI Unit, multiply by the conversion factor (e.g. Albumin 3 g/dl x 10 = 30 g/L.
- To convert from SI units to conventional units, divide by the conversion factor.
Test | Conventional unit | Conversion Factor | S I unit |
---|---|---|---|
Albumin | g / dL | 10 | g / L |
alpha1-Antitrypsin | mg /dL | 0.184 | micromole/L |
Alanine | mg / dL | 112.2 | micromole/L |
Bicarbonate | mEq/L | 1.0 | mmol /L |
Bilirubin | mg /dL | 17.1 | micromole /L |
C-peptide | ng / mL | 0.333 | nmol /L |
C-complement | mg /mL | 0.01 | g /L |
Aldosterone | ng / dL | 0.0277 | nmol / L |
Antidiuretic hormone | pg. / mL | 0.923 | pmol / L |
Calcitonin | pg. / mL | 1.0 | ng / L |
Calcium total | mg / dL | 0.25 | mmol / L |
Calcium ionised | mEq /L | 0.50 | mmol / L |
Carbon Dioxide | mEq /L | 1.0 | mmol / L |
Ceruloplasmin | mg / dL | 10 | mg / L |
Chloride | mEq / l | 1.0 | mmol / L |
Cholesterol | mg / dL | 0.0259 | mmol / L |
Copper | µg /dL | 0.157 | micromole / L |
Corticotropin ACTH | pg. /mL | 0.22 | pmol / L |
Cortisol | µg /dL | 27.59 | nmol / L |
Creatinine | mg / dL | 88.4 | micromole / L |
Creatinine Clearance | mL / min | 0.0167 | mL / S |
DHEA | ng / mL | 3.47 | nmol / L |
Estradiol | pg. /dL | 3.671 | pmol / L |
Ferritin | ng / mL | 2.247 | pmol / L |
AFP | ng / mL | 1.0 | µg / L |
Fibrinogen | mg / dL | 0.0294 | micromole / L |
Glucose | mg / mL | 0.0555 | mmol /L |
Hb A1c | % of total Hb | 0.01 | proportion of total Hb |
Hct | % | 0.01 | proportion of of 1.0 |
Hemoglobin | g /dL | 10.0 | g /L |
HDL-C | mg / dL | 0.0259 | mmol / L |
HCG | mIU / mL | 1.0 | IU / L |
Insulin | micro-IU / mL | 6.945 | pmol / L |
Iron total | µg / dL | 0.179 | micro-mol / L |
Total Iron binding capacity | µg / dL | 0.179 | micro-mol / L |
Lactic acid | mg / dL | 0.111 | mmol / L |
LDH isoenzymes | % | 0.01 | proportion of 1.0 |
Lead | µg / dL | 0.0483 | micro-mol / L |
Lipid total | mg / dL | 0.01 | g / L |
Lithium | mEq /L | 1.0 | mmol / L |
LDL-C | mg / dL | 0.0259 | mmol / L |
Magnesium | mg / L | 0.411 | mmol / L |
Methanol | mg / dL | 0.0312 | mmol / L |
alpha 1-antitrypsin | mg / dL | 0.184 | micro-mol / L |
Phosphorus | mg /dL | 0.323 | mmol / L |
Potassium | mEq / L | 1.0 | mmol / L |
Progesterone | ng / mL | 3.18 | mmol / L |
Prolactin | µg / L | 43.478 | pmol |
PSA | ng / mL | 1.0 | µg/ L |
Protein total | g / dL | 10.0 | g / L |
Sodium | mEq / L | 1.0 | mmol / L |
Testosterone | ng / dL | 0.0347 | nmol / L |
Free T 4 | ng / dL | 12.87 | pmol / L |
Total T 4 | µg / dL | 12.87 | nmol / L |
Transferrin | mg / dL | 0.01 | g / L |
Triglycerides | mg / dL | 0.0113 | mmol / L |
Free T3 | pg / dL | 0.0154 | pmol / L |
Total T3 | ng / dL | 0.0154 | nmol / L |
Troponin I | ng / mL | 1.0 | µg / L |
Troponin T | ng / mL | 1.0 | µg / L |
Urea nitrogen | mg / dL | 0.0357 | mmol / L |
Uric acid | mg / dL | 59.48 | micromol / L |
Vit.B | ng / mL | 0.0738 | pmol / L |