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Calculator: SI unit to conventional (gravimetric, imperial, US) unit conversions: Immunology lab values

Calculator: SI unit to conventional (gravimetric, imperial, US) unit conversions: Immunology lab values

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  • SI units: Système Internationale d'Unités, or International System of Units.
  • US units: Gravimetric, imperial, or traditional English units.
  • ANCA: antineutrophil cytoplasmic antibodies; GBM: glomerular basement membrane; IgA: immunoglobulin A; IgE: immunoglobulin E; IgG: immunoglobulin G; IgM: immunoglobulin M.
  • To make immunology unit conversions, first choose from the top pull-down selector.
  • Next, select the starting unit and enter a value in the FROM input.
  • Select a TO unit from the lower right selector and the converted value will appear immediately in the TO box.
  • The conversion factor for any selected analyte can be found by entering 1.0 in the "FROM" input box for that analyte and viewing the conversion factor in the "TO" output box. Conversion is calculated by multiplying a value in the FROM units by the conversion factor.
  • In this calculator, mcg is the abbreviation for micrograms.



Conversion factors
Alpha1-antitrypsin mg/dLX0.01=Alpha1-antitrypsin g/L
ANCA, cytoplasmic (C-ANCA) U/mLX1=ANCA, cytoplasmic (C-ANCA) kU/L
ANCA, perinuclear (P-ANCA) U/mLX1=ANCA, perinuclear (P-ANCA) kU/L
Anti-GBM antibodies U/mLX1=Anti-GBM antibodies kU/L
Antithyroid antibody IU/mLX1=Antithyroid antibody kIU/L
Bence Jones protein (quantitative) mg/dLX0.01=Bence Jones protein (quantitative) g/L
C1-esterase-inhibitor protein mg/dLX0.01=C1-esterase-inhibitor protein g/L
C3 mg/dLX0.01=C3 g/L
C4 mg/dLX0.01=C4 g/L
Factor B mg/dLX0.01=Factor B g/L
Haptoglobin mg/dLX0.01=Haptoglobin g/L
IgA mg/dLX0.01=IgA g/L
IgE IU/mLX2.4=IgE mcg/L
IgG mg/dLX0.01=IgG g/L
IgM mg/dLX0.01=IgM g/L
Total complement U/mLX1=Total complement kU/L
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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