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Journal of Feline Medicine and Surgery logoLink to Journal of Feline Medicine and Surgery
. 2009 Jun 1;11(6):I. doi: 10.1016/S1098-612X-09-00131-4

Conversion Table — Conventional to SI Units

PMCID: PMC10832844

Conventional units Multiply by … for SI Units Multiply by … for Conventional units
HAEMATOLOGY
Hematocrit % 0.01 volume fraction 100 %
Hemoglobin g/dl 10 g/l 0.1 g/dl
MCH pg/cell 1 pg/cell 1 pg/cell
MCHC g/dl 10 g/l 0.1 g/dl
MCV μ3 1 fl 1 μ3
Platelet Count 103/μ1 1 109/1 1 103/μl
RBC 106/μ1 1 1012/1 1 106/μl
Reticulocytes μ1 0.001 109/1 1000 μ1
WBC 103/μ1 1 109/1 1 103/μ1
FDPs μg/ml 1 mg/1 1 μg/ml
Fibrinogen mg/dl 0.01 g/1 100 mg/dl
BIOCHEMISTRY
Albumin g/dI 10 g/l 0.1 g/dl
Aldosterone ng/dl 0.0277 nmol/1 36.1 ng/dl
ALE SAP, Alk phos U/l 1 U/l 1 U/l
Ammonia μg/dl 0.5872 μmol/l 1.703 μg/dl
ALT SGPT U/l 1 U/l 1 U/l
AST SCOT U/l 1 U/l 1 U/l
Base Excess mEq/1 1 mmol/1 1 mEq/1
Bicarbonate mEq/1 1 mmol/1 1 mEq/1
Bilirubin mg/dl 17.1 μmol/1 0.0584 mg/dl
Calcium mg/dl 0.25 mmol/1 4 mg/dl
Carbon dioxide total mEq/1 1 mmol/1 1 mEq/1
Chloride mEq/1 1 mmol/1 1 mEq/1
Cholesterol mg/dl 0.0259 mmol/1 38.61 mg/dl
Copper μg/dl 0.157 μmol/1 6.37 μg/dl
Cortisol ng/ml 2.76 nmol/1 0.362 ng/ml
Creatine kinase U/l 1 U/l 1 U/l
Creatinine mg/dl 88.4 μmol/1 0.0113 mg/dl
Ferritin ng/ml 1 μg/l 1 ng/ml
Folate ng/ml 2.266 nmol/1 0.4413 ng/ml
GGT U/l 1 U/1 1 U/l
Glucose mg/dl 0.0555 mmol/1 18.02 mg/dl
Insulin μlU/ml 7.175 pmol/1 0.1394 μlU/ml
Iron μg/dl 0.179 μmol/1 5.587 μg/dl
Iron binding capacity μg/dl 0.179 μmol/1 5.587 μg/dl
Lactate mg/dl 0.111 mmol/1 9.01 mg/dl
LDH U/l 1 U/l 1 U/1
Lipase U/l 1 U/l 1 U/1
Magnesium mEq/1 0.5 mmol/1 2 mEq/1
Phosphorus mg/dl 0.323 mmol/1 3.1 mg/dl
Potassium mEq/1 1 mmol/1 1 mEq/1
Protein, total g/dl 10 g/1 0.1 g/dl
Sodium mEq/1 1 mmol/1 1 mEq/1
Thyroxine (T4) total μg/dl 12.9 nmol/1 0.0775 μg/dl
Thyroxine, free ng/dl 12.9 pmol/1 0.0775 ng/dl
Transferrin mg/dl 0.01 g/1 100 mg/dl
Tri-iodothyronine (T3) ng/dl 0.0154 nmol/1 65.1 ng/dl
Triglycerides mg/dl 0.0113 mmol/1 88.5 mg/dl
Urea (nitrogen) mg/dl 0.357 mmol/1 urea 2.8 mg/dl
Vitamin B12 pg/ml 0.738 pmol/1 1.355 pg/ml

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