Using this table: To convert from a conventional unit to a SI Unit, multiply  by the conversion factor listed (eg Albumin  3 g/dl  x 10 = 30 g/L.   To convert from SI Units to conventional units, divide by the listed conversion factor.

This document Copyright © 2003-2012 D.McAuley, GlobalRPh Inc. All Rights Reserved.

Agent Conventional Unit Conversion Factor SI Unit  
Acetaminophen µg/mL 6.62 µmol/L top
Acetoacetic acid mg/dL 0.098 mmol/L
Acetone mg/dL 0.172 mmol/L
Alanine mg/dL 112.2 µmol/L
Albumin g/dL 10 g/L
Aldosterone ng/dL 0.0277 nmol/L
Aluminum ng/mL 0.0371 µmol/L
Aminobutyric acid mg/dL 97 µmol/L
Amitriptyline ng/mL 3.61 nmol/L
Ammonia (as NH3) µg/dL 0.587 µmol/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 1.0 mmol/L
Antidiuretic hormone pg/mL 0.923 pmol/L
Antithrombin III mg/dL 10 mg/L
alpha1-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
Bicarbonate mEq/L 1.0 mmol/L top
Bilirubin mg/dL 17.1 µmol/L
Bromide mg/dL 0.125 mmol/L
C-peptide ng/mL 0.333 nmol/L top
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 1.0 ng/L
Calcium mg/dL 0.25 mmol/L
mEq/L 0.50 mmol/L
Carbon dioxide mEq/L 1.0 mmoI/L
Carotene µg/dL 0.0186 µmol/L
Ceruloplasmin mg/dL 10 mg/L
Chloride mEq/L 1.0 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
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 top
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 top
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 top
alpha -Fetoprotein ng/mL 1.0 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 1.0 IU/L
Fructose mg/dL 55.5 µmol/L
Galactose mg/dL 55.506 µmol/L top
Glucagon pg/mL 1.0 ng/L
Glucose mg/dL 0.0555 mmol/L
Glutamine mg/dL 68.42 µmol/L
Glycated hemoglobin (glycosylated
hemoglobin A1, A1C)
% of total
0.01 Proportion of total
Glycerol (free) mg/dL 108.59 µmol/L
Glycine mg/dL 133.3 µmol/L
Haptoglobin mg/dL 0.10 µmol/L top
Hematocrit % 0.01 Proportion
of 1.0
Hemoglobin (whole blood)
Mass concentration
g/dL 10.0 g/L
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 1.0 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 top
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 top
Lactate dehydrogenase
isoenzymes (LD1-LD5)
% 0.01 Proportion of 1.0
Lead µg/dL 0.0483 µmol/L
Leucine mg/dL 76.237 µmol/L
Lipids (total) mg/dL 0.01 g/L
Lipoprotein (a) mg/dL 0.0357 µmol/L
Lithium mEq/L 1.0 mmol/L
Low-density lipoprotein
cholesterol (LDL-C)
mg/dL 0.0259 mmol/L
Lysine mg/dL 68.5 µmol/L
Magnesium mg/dL 0.411 mmol/L top
mEq/L 0.50 mmol/L
Manganese ng/mL 18.2 nmol/L
Methanol mg/L 0.0312 mmol/L
Methionine mg/dL 67.02 µmol/L
Myoglobin µg/L 0.0571 nmol/L
Nicotine mg/L 6.164 µmol/L top
Nitrogen, nonprotein mg/dL 0.714 mmol/L
Norepinephrine pg/mL 0.00591 nmol/L
Ornithine mg/dL 75.67 µmol/L top
Osteocalcin µg/L 0.171 nmol/L
Oxalate mg/L 11.1 µmol/L
Parathyroid hormone pg/mL 1.0 ng/L top
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
Plasminogen activator inhibitor mIU/mL 1.0 IU/L
Platelets (thrombocytes) x 103/µL 1.0 x 109/L
Potassium mEq/L 1.0 mmoI/L
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 1.0 µg/L
Protein, total g/dL 10.0 g/L
Prothrombin g/L 13.889 µmol/L
Protoporphyrin, erythrocyte µg/dL 0.01777 µmol/L
Pyruvate mg/dL 113.6 µmoI/L
Quinidine µg/mL 3.08 µmol/L top
Red blood cell count x 106/µL 1.0 x 1012/L top
Renin pg/mL 0.0237 pmol/L
Salicylate mg/L 0.00724 mmol/L top
Serine mg/dL 95.2 µmol/L
Serotonin (5-hydroxytryptamine) ng/mL 0.00568 µmol/L
Sodium mEq/L 1.0 mmol/L
Somatomedin-C (insulinlike growth factor) ng/mL 0.131 nmol/L (coagulation factor II)
Somatostatin pg/mL 0.611 pmol/L
Testosterone ng/dL 0.0347 nmol/L top
Theophylline µg/mL 5.55 µmol/L
Thiocyanate mg/L 17.2 µmol/L
Threonine mg/dL 83.95 µmol/L
Thyroglobulin ng/mL 1.0 µg/L
Thyroxine, free (T4) 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 0.0113 mmol/L
     Free (T3) pg/dL 0.0154 pmol/L
     Total (T3) ng/dL 0.0154 nmol/L
Troponin I (cardiac) ng/mL 1.0 µg/L
Troponin T (cardiac) ng/mL 1.0 µg/L
Tryptophan mg/dL 48.97 µmol/L
Tyrosine mg/dL 55.19 µmol/L
Urea nitrogen mg/dL 0.357 mmol/L top
Uric acid mg/dL 59.48 µmol/L
Valine mg/dL 85.5 µmol/L top
Vasoactive intestinal
pg/mL 1.0 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
    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 top
White blood cell count x 103/µL 1.0 x 109/L
Zinc µg/dL 0.153 µmoI/L top


The authors make no claims of the accuracy of the information contained herein; and these suggested doses are not a substitute for clinical judgment. Neither GlobalRPh Inc. nor any other party involved in the preparation of this program shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user’s use of or reliance upon this material.PLEASE READ THE DISCLAIMER CAREFULLY BEFORE ACCESSING OR USING THIS SITE. BY ACCESSING OR USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS SET FORTH IN THE DISCLAIMER. Read the disclaimer