Albumin–total protein ratio should be reported as g/g;
Albumin-creatinine ratio should be reported as mg/g;
Total protein–creatinine should be reported as mg/g.
Albuminuria and total protein are reported as mg/d (24-h excretion) or mg/dL (spot urine dipstick).
| Compound | US Conventional Unit | Multiplicative Factor | International Unit |
| Acetoacetic acid | mg/dL | 0.09795 | mmol/L |
| Acetone | mg/dL | 0.1722 | mmol/L |
| Alanine | mg/dL | 112.2 | µmol/L |
| Alanine aminotransferase (ALT) | U/L | n/a | [same] |
| Albumin | g/dL | 10 | g/L |
| Aldosterone | ng/dL | 0.02774 | nmol/L |
| Alkaline phosphatase | U/L | n/a | [same] |
| α-Aminobutyric acid | mg/dL | 96.97 | µmol/L |
| Amitriptyline | ng/mL | 3.605 | nmol/L |
| Ammonia (as NH3) | µg/dL | 0.587 | µmol/L |
| Amylase | U/L | n/a | [same] |
| Androstenedione | ng/dL | 0.03492 | nmol/L |
| Anion gap | mEq/L | = | mmol/L |
| Antidiuretic hormone (ADH) | pg/mL | 0.923 | pmol/L |
| Antithrombin III | mg/dL | 10 | mg/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 | 75.69 | µmol/L |
| Aspartate aminotransferase (AST) | U/L | n/a | [same] |
| Atrial natriuretic hormone | pg/mL | = | ng/L |
| Bicarbonate | mEq/L | = | mmol/L |
| Bilirubin | mg/dL | 17.1 | µmol/L |
| C-peptide | ng/mL | 0.333 | nmol/L |
| C3 complement | mg/mL | = | g/L |
| C4 complement | mg/mL | = | g/L |
| Calcitonin | pg/mL | = | ng/L |
| Calcium | mg/dL | 0.2495 | mmol/L |
| Calcium ion | mEq/L | 0.5 | mmol/L |
| Carbon dioxide (CO2) | mEq/L | = | mmoI/L |
| β-Carotene | µg/dL | 0.01863 | µmol/L |
| Chloride | mEq/L | = | mmol/L |
| Cholesterol | mg/dL | 0.02586 | mmol/L |
| Citrate | mg/dL | 52.05 | µmol/L |
| Coproporphyrins | µg/24 h | 1.527 | nmol/d |
| Corticotropin (ACTH) | pg/mL | 0.22 | pmol/L |
| Cortisol | µg/dL | 27.59 | nmol/L |
| Cotinine | ng/mL | 5.67 | nmol/L |
| Creatine | mg/dL | 76.26 | µmol/L |
| Creatine kinase (CK) | U/L | n/a | [same] |
| Creatinine | mg/dL | 88.4 | µmol/L |
| Creatinine clearance | mL/min | 0.01667 | mL/s |
| Dehydroepiandrosterone (DHEA) | ng/mL | 3.467 | nmol/L |
| Digoxin | ng/mL | 1.281 | nmol/L |
| Epinephrine | pg/mL | 5.458 | pmol/L |
| Erythrocyte sedimentation rate | mm/h | n/a | [same] |
| Estradiol (E2) | pg/mL | 3.671 | pmol/L |
| Estriol (E3) | ng/mL | 3.467 | nmol/L |
| Estrone (E1) | ng/dL | 36.99 | pmoI/L |
| Ethanol (ethyl alcohol) | mg/dL | 0.217 | mmol/L |
| Ethylene glycol | mg/L | 16.11 | µmol/L |
| Ferritin | ng/mL | = | µg/L |
| α1-Fetoprotein | ng/mL | = | µg/L |
| Fibrinogen | mg/dL | 0.0294 | µmol/L |
| Folate (folic acid) | ng/mL | 2.266 | nmol/L |
| Fructose | mg/dL | 55.5 | µmol/L |
| Glomerular filtration rate (GFR) | mL/min/1.73 m2 | 0.01667 | mL/s/1.73 m2 |
| Glucagon | pg/mL | = | ng/L |
| Glucose | mg/dL | 0.05551 | mmol/L |
| Glutamine | mg/dL | 68.42 | µmol/L |
| γ-Glutamyltransferase (GGT) | U/L | n/a | [same] |
| Glycine | mg/dL | 133.3 | µmol/L |
| Haptoglobin | mg/dL | 0.01 | g/L |
| Hemoglobin | g/dL | 10 | g/L |
| High-density lipoprotein cholesterol (HDL-C) | mg/dL | 0.02586 | mmol/L |
| Histidine | mg/dL | 64.45 | µmol/L |
| Homocysteine (total) | mg/L | 7.397 | µmol/L |
| Human chorionic gonadotropin (HCG) | mlU/mL | = | IU/L |
| β-Hydroxybutyric acid | mg/dL | 96.05 | µmol/L |
| Hydroxyproline | mg/dL | 76.27 | µmol/L |
| Immunoglobulin A (IgA) | mg/dL | 10 | mg/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 | 10 | mg/L |
| Insulin | µU/mL | 6 | pmol/L |
| Iron, total | µg/dL | 0.179 | µmol/L |
| Iron binding capacity, total | µg/dL | 0.179 | µmol/L |
| Isoleucine | mg/dL | 76.24 | µmol/L |
| Isopropanol | mg/L | 0.0166 | mmol/L |
| Lactate (lactic acid) | mg/dL | 0.111 | mmol/L |
| Lactate dehydrogenase (LDH) | U/L | n/a | [same] |
| Lactate dehydrogenase isoenzymes (LD1 to LD5) | % | 0.01 | Proportion of 1.0 |
| Lead | µg/dL | 0.04826 | µmol/L |
| Leucine | mg/dL | 76.237 | µmol/L |
| Lipase | U/L | n/a | [same] |
| Lithium | mEq/L | = | mmol/L |
| Low-density lipoprotein cholesterol (LDL-C) | mg/dL | 0.02586 | mmol/L |
| Lysine | mg/dL | 68.404 | µmol/L |
| Magnesium | mEq/L | 0.5 | mmol/L |
| Methanol | mg/L | 0.0312 | mmol/L |
| Methionine | mg/dL | 67.02 | µmol/L |
| Nicotine | mg/L | 6.164 | µmol/L |
| Nitrogen (nonprotein) | mg/dL | 0.7139 | mmol/L |
| Norepinephrine | pg/mL | 0.00591 | nmol/L |
| Ornithine | mg/dL | 75.67 | µmol/L |
| Osmolality | mOsm/kg | = | mmoI/kg |
| Oxalate | mg/L | 11.1 | µmol/L |
| Parathyroid hormone (PTH) | pg/mL | = | ng/L |
| Phenylalanine | mg/dL | 60.54 | µmol/L |
| Phenytoin | mg/L | 3.968 | µmoI/L |
| Phosphorus (inorganic) | mg/dL | 0.3229 | mmol/L |
| Plasminogen | mg/dL | 0.113 | µmol/L |
| Plasminogen activator inhibitor | mIU/mL | = | IU/L |
| Platelets (thrombocytes) | ×103/µL | = | ×109/L |
| Potassium | mEq/L | = | mmoI/L |
| Progesterone | ng/mL | 3.18 | nmol/L |
| Prolactin | ng/mL | = | µg/L |
| Proline | mg/dL | 86.86 | µmol/L |
| Protein (total) | g/dL | 10 | g/L |
| Protoporphyrin | µg/dL | 0.01777 | µmol/L |
| Pyruvate | mg/dL | 113.6 | µmoI/L |
| Quinidine | µg/mL | 3.082 | µmol/L |
| Red blood cell count | ×106/µL | = | ×1012/L |
| Renin activity | ng/ml/h | 0.2778 | ng/L/s |
| Salicylate | mg/L | 0.00724 | mmol/L |
| Serine | mg/dL | 95.16 | µmol/L |
| Serotonin (5-hydroxytryptamine) | ng/mL | 0.005675 | µmol/L |
| Sodium | mEq/L | = | mmol/L |
| Taurine | mg/dL | 79.91 | µmol/L |
| Testosterone | ng/dL | 0.03467 | 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 | = | µg/L |
| Thyrotropin (thyroid-stimulating hormone, TSH) | mIU/L | n/a | [same] |
| Thyroxine, free (FT4) | ng/dL | 12.87 | pmol/L |
| Thyroxine, total (T4) | µg/dL | 12.87 | nmol/L |
| Transferrin | mg/dL | 0.01 | g/L |
| Triglycerides | mg/dL | 0.01129 | mmol/L |
| Triiodothyronine, free (FT3) | pg/dL | 0.01536 | pmol/L |
| Triiodothyronine, total (T3) | ng/dL | 0.01536 | nmol/L |
| Troponin I | ng/mL | = | µg/L |
| Troponin T | ng/mL | = | µg/L |
| Tryptophan | mg/dL | 48.97 | µmol/L |
| Tyrosine | mg/dL | 55.19 | µmol/L |
| Urea nitrogen, serum (SUN) | mg/dL | 0.357 | mmol/L |
| Uric acid | mg/dL | 59.48 | µmol/L |
| Valine | mg/dL | 85.36 | µmol/L |
| Vasoactive intestinal polypeptide | pg/mL | = | ng/L |
| Vitamin A (retinol) | µg/dL | 0.0349 | µmoI/L |
| Vitamin B6 (pyridoxine) | ng/mL | 4.046 | nmol/L |
| Vitamin B12 (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 |
| Vitamin D (25-hydroxyvitamin D) | ng/mL | 2.496 | nmol/L |
| Vitamin E (α-tocopherol) | µg/mL | 2.32 | µmoI/L |
| Vitamin K | ng/mL | 2.22 | nmol/L |
| White blood cell count | ×103/µL | = | ×109/L |
| Zinc | µg/dL | 0.153 | µmoI/L |