| Acetaminophen | µg/mL | 6.62 | µmol/L |
| Acetoacetic acid | mg/dL | 0.098 | mmol/L |
| Acetone | mg/dL | 0.172 | mmol/L |
| Acid phosphatase | U/L | 1 | U/L |
| Alanine | mg/dL | 112.2 | µmol/L |
| Alanine aminotransferase (ALT) | U/L | 1 | U/L |
| Albumin | g/dL | 10 | g/L |
| Alcohol dehydrogenase | U/L | 1 | U/L |
| Aldolase | U/L | 1 | U/L |
| Aldosterone | ng/dL | 0.0277 | nmol/L |
| Alkaline phosphatase | U/L | 1 | U/L |
| Aluminum | ng/mL | 0.0371 | µmol/L |
| Aminobutyric acid | mg/dL | 97 | µmol/L |
| Amitriptyline | ng/mL | 3.61 | nmol/L |
| Ammonia (as NH_3 ) | µg/dL | 0.587 | µmol/L |
| Amylase | U/L | 1 | U/L |
| Androstenedione | ng/dL | 0.0349 | nmol/L |
| Angiotensin I | pg/mL | 0.772 | pmol/L |
| Angiotensin II | pg/mL | 0.957 | pmol/L |
| Anion gap | mEq/L | 1 | mmol/L |
| Antidiuretic hormone | pg/mL | 0.923 | pmol/L |
| Antithrombin III | mg/dL | 10 | mg/L |
| alpha_1 -Antitrypsin | mg/dL | 0.184 | µmol/L |
| Apolipoprotein A | mg/dL | 0.01 | g/L |
| Apolipoprotein B | mg/dL | 0.01 | g/L |
| Arginine | mg/dL | 57.4 | µmol/L |
| Asparagine | mg/dL | 75.7 | µmol/L |
| Aspartate aminotransferase (AST) | U/L | 1 | U/L |
| Bicarbonate | mEq/L | 1 | mmol/L |
| Bilirubin | mg/dL | 17.1 | µmol/L |
| Blood gases (arterial) | | | |
| PaCO2 | mm Hg | 1 | mm Hg |
| pH | pH units | 1 | pH units |
| PaO2 | mm Hg | 1 | mm Hg |
| Bromide | mg/dL | 0.125 | mmol/L |
| C-peptide | ng/mL | 0.333 | nmol/L |
| C1 esterase inhibitor | mg/dL | 10 | mg/L |
| C3 complement | mg/dL | 0.01 | g/L |
| C4 complement | mg/dL | 0.01 | g/L |
| Calcitonin | pg/mL | 1 | ng/L |
| Calcium | mg/dL | 0.25 | mmol/L |
| | mEq/L | 0.5 | mmol/L |
| Carbon dioxide | mEq/L | 1 | mmoI/L |
| Carotene | µg/dL | 0.0186 | µmol/L |
| Ceruloplasmin | mg/dL | 10 | mg/L |
| Chloride | mEq/L | 1 | mmol/L |
| Cholesterol | mg/dL | 0.0259 | mmol/L |
| Citrate | mg/dL | 52.05 | µmol/L |
| Copper | µg/dL | 0.157 | µmoI/L |
| Coproporphyrins (urine) | µg/24 hr | 1.527 | nmol/d |
| Corticotropin (ACTH) | pg/mL | 0.22 | pmol/L |
| Cortisol | µg/dL | 27.59 | nmol/L |
| Cotinine | ng/mL | 5.68 | nmol/L |
| Creatine | mg/dL | 76.26 | µmol/L |
| Creatine kinase (CK) | U/L | 1 | U/L |
| Creatinine | mg/dL | 88.4 | µmol/L |
| Creatinine clearance | mL/min | 0.0167 | mL/s |
| Cyanide | mg/L | 23.24 | µmol/L |
| Dehydroepiandrosterone (DHEA) | ng/mL | 3.47 | nmol/L |
| Desipramine | ng/mL | 3.75 | nmol/L |
| Diazepam | µg/mL | 3.512 | µmol/L |
| Digoxin | ng/mL | 1.281 | nmol/L |
| Epinephrine | pg/mL | 5.46 | pmol/L |
| Erythrocyte sedimentation rate | mm/h | 1 | mm/h |
| Estradiol | pg/mL | 3.671 | pmol/L |
| Estriol | ng/mL | 3.467 | nmol/L |
| Estrone | ng/dL | 37 | pmoI/L |
| Ethanol (ethyl alcohol) | mg/dL | 0.217 | mmol/L |
| Ethylene glycol | mg/L | 16.11 | µmol/L |
| Ferritin | ng/mL | 2.247 | pmol/L |
| α-Fetoprotein | ng/mL | 1 | µg/L |
| Fibrinogen | mg/dL | 0.0294 | µmol/L |
| Fluoride | µg/mL | 52.6 | µmol/L |
| Folate | ng/mL | 2.266 | nmol/L |
| Follicle-stimulating hormone | mIU/mL | 1 | IU/L |
| Fructose | mg/dL | 55.5 | µmol/L |
| Galactose | mg/dL | 55.506 | µmol/L |
| Glucagon | pg/mL | 1 | ng/L |
| Glucose | mg/dL | 0.0555 | mmol/L |
| Glutamine | mg/dL | 68.42 | µmol/L |
| γ-Glutamyltransferase (GGT) | U/L | 1 | U/L |
| Glycerol (free) | mg/dL | 108.59 | µmol/L |
| Glycine | mg/dL | 133.3 | µmol/L |
| Haptoglobin | mg/dL | 0.1 | µmol/L |
| Hematocrit | % | 0.01 | Proportion of 1.0 |
| High-density lipoprotein cholesterol (HDL-C) | mg/dL | 0.0259 | mmol/L |
| Histidine | mg/dL | 64.45 | µmol/L |
| Homocysteine (total) | mg/L | 7.397 | µmol/L |
| Human chorionic gonadotropin (HCG) | mlU/mL | 1 | IU/L |
| Hydroxybutyric acid | mg/dL | 96.05 | µmol/L |
| Hydroxyproline | mg/dL | 76.3 | µmol/L |
| Immunoglobulin A (IgA) | mg/dL | 0.01 | g/L |
| Immunoglobulin D (IgD) | mg/dL | 10 | mg/L |
| Immunoglobulin E (IgE) | mg/dL | 10 | mg/L |
| Immunoglobulin G (IgG) | mg/dL | 0.01 | g/L |
| Immunoglobulin M (IgM) | mg/dL | 0.01 | g/L |
| Insulin | µIU/mL | 6.945 | pmol/L |
| Iron, total | µg/dL | 0.179 | µmol/L |
| Iron binding capacity, total | µg/dL | 0.179 | µmol/L |
| lsoleucine | mg/dL | 76.24 | µmol/L |
| lsopropanol | mg/L | 0.0166 | mmol/L |
| Lactate (lactic acid) | mg/dL | 0.111 | mmol/L |
| Lactate dehydrogenase | U/L | 1 | U/L |
| Lead | µg/dL | 0.0483 | µmol/L |
| Leucine | mg/dL | 76.237 | µmol/L |
| Lipase | U/L | 1 | U/L |
| Lipids (total) | mg/dL | 0.01 | g/L |
| Lipoprotein (a) | mg/dL | 0.0357 | µmol/L |
| Lithium | mEq/L | 1 | mmol/L |
| Low-density lipoprotein cholesterol (LDL-C) | mg/dL | 0.0259 | mmol/L |
| Luteinizing hormone (LH, leutropin) | IU/L | 1 | lU/L |
| Lysine | mg/dL | 68.5 | µmol/L |
| Magnesium | mg/dL | 0.411 | mmol/L |
| | mEq/L | 0.5 | mmol/L |
| Manganese | ng/mL | 18.2 | nmol/L |
| Methanol | mg/L | 0.0312 | mmol/L |
| Methemoglobin | % of total | | |
| Methionine | mg/dL | 67.02 | µmol/L |
| Myoglobin | µg/L | 0.0571 | nmol/L |
| Nicotine | mg/L | 6.164 | µmol/L |
| Nitrogen, nonprotein | mg/dL | 0.714 | mmol/L |
| Norepinephrine | pg/mL | 0.00591 | nmol/L |
| Ornithine | mg/dL | 75.67 | µmol/L |
| Osmolality | mOsm/kg | 1 | mmoI/kg |
| Osteocalcin | µg/L | 0.171 | nmol/L |
| Oxalate | mg/L | 11.1 | µmol/L |
| Parathyroid hormone | pg/mL | 1 | ng/L |
| Phenobarbital | mg/L | 4.31 | µmol/L |
| Phenylalanine | mg/dL | 60.54 | µmol/L |
| Phenytoin | µg/mL | 3.96 | µmoI/L |
| Phosphorus | mg/dL | 0.323 | mmol/L |
| Plasminogen | mg/dL | 0.113 | µmol/L |
| | % | 0.01 | Proportion of 1.0 |
| Plasminogen activator inhibitor | mIU/mL | 1 | IU/L |
| Platelets (thrombocytes) | x 10^3 /µL | 1 | x 10^9 /L |
| Potassium | mEq/L | 1 | mmoI/L |
| Pregnanediol (urine) | mg/24h | 3.12 | µmoI/d |
| Pregnanetriol (urine) | mg/24 h | 2.97 | µmol/d |
| Progesterone | ng/mL | 3.18 | nmol/L |
| Prolactin | µg/L | 43.478 | pmol |
| Proline | mg/dL | 86.86 | µmol/L |
| Prostate-specific antigen | ng/mL | 1 | µg/L |
| Protein, total | g/dL | 10 | g/L |
| Prothrombin | g/L | 13.889 | µmol/L |
| Prothrombin time (protime, PT) | s | 1 | s |
| Protoporphyrin, erythrocyte | µg/dL | 0.01777 | µmol/L |
| Pyruvate | mg/dL | 113.6 | µmoI/L |
| Quinidine | µg/mL | 3.08 | µmol/L |
| Red blood cell count | x 10^6 /µL | 1 | x 10^12 /L |
| Renin | pg/mL | 0.0237 | pmol/L |
| Reticulocyte count | % of RBCs | 0.01 | Proportion of 1.0 |
| Salicylate | mg/L | 0.00724 | mmol/L |
| Serine | mg/dL | 95.2 | µmol/L |
| Serotonin (5-hydroxytryptamine) | ng/mL | 0.00568 | µmol/L |
| Sodium | mEq/L | 1 | mmol/L |
| Somatomedin-C (insulinlike growth factor) | ng/mL | 0.131 | nmol/L |
| Somatostatin | pg/mL | 0.611 | pmol/L |
| Taurine | mg/dL | 79.91 | µmol/L |
| Testosterone | ng/dL | 0.0347 | nmol/L |
| Theophylline | µg/mL | 5.55 | µmol/L |
| Thiocyanate | mg/L | 17.2 | µmol/L |
| Threonine | mg/dL | 83.95 | µmol/L |
| Thyroglobulin | ng/mL | 1 | µg/L |
| Thyrotropin (thyroid-stimulating hormone, TSH) | mIU/L | 1 | mIU/L |
| Thyroxine, free (T_4 ) | ng/dL | 12.87 | pmol/L |
| Thyroxine, total (T_4 ) | µg/dL | 12.87 | nmol/L |
| Transferrin | mg/dL | 0.01 | g/L |
| Triglycerides | mg/dL | 0.0113 | mmol/L |
| Triiodothyronine | | | |
| Free (T_3 ) | pg/dL | 0.0154 | pmol/L |
| Resin uptake | % | 0.01 | Proportion of 1.0 |
| Total (T_3 ) | ng/dL | 0.0154 | nmol/L |
| Troponin I (cardiac) | ng/mL | 1 | µg/L |
| Troponin T (cardiac) | ng/mL | 1 | µg/L |
| Tryptophan | mg/dL | 48.97 | µmol/L |
| Tyrosine | mg/dL | 55.19 | µmol/L |
| Urea nitrogen | mg/dL | 0.357 | mmol/L |
| Uric acid | mg/dL | 59.48 | µmol/L |
| Valine | mg/dL | 85.5 | µmol/L |
| Vasoactive intestinal polypeptide | pg/mL | 1 | ng/L |
| Vitamin A (retinol) | µg/dL | 0.0349 | µmoI/L |
| Vitamin B_6 (pyridoxine) | ng/mL | 4.046 | nmol/L |
| Vitamin B_12 (cyanocobalamin) | pg/mL | 0.738 | pmol/L |
| Vitamin C (ascorbic acid) | mg/dL | 56.78 | µmol/L |
| Vitamin D | | | |
| 1,25-Dihydroxyvitamin D | pg/mL | 2.6 | pmol/L |
| 25-Hydroxyvitamin D | ng/mL | 2.496 | nmol/L |
| Vitamin E | mg/dL | 23.22 | µmoI/L |
| Vitamin K | ng/mL | 2.22 | nmol/L |
| Warfarin | µg/mL | 3.247 | µmol/L |
| White blood cell count | x 10^3 /µL | 1 | x 10^9 /L |
| Zinc | µg/dL | 0.153 | µmoI/L |
