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    Convert

    oz → mg

    Ounce
    oz
    Milligram
    28,349.5231
    mg
    Rounded result (4 decimals max)

    Formula

    1 oz = 28,349.5231 mg

    Conversion sourcesTap or click to view references

    • The International System of Units (SI) — NIST Special Publication 330

      National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

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    oz to mg quick table

    Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

    Ounce (oz)Milligram (mg)
    0.25 oz7,087.3808 mg
    0.5 oz14,174.7616 mg
    1 oz28,349.5231 mg
    2 oz56,699.0463 mg
    5 oz141,747.6156 mg
    10 oz283,495.2313 mg
    25 oz708,738.0781 mg
    100 oz2,834,952.3125 mg

    mg back to oz

    Keep the reciprocal handy when double-checking calculations or undoing a conversion.

    Milligram (mg)Ounce (oz)
    0.25 mg0 oz
    0.5 mg0 oz
    1 mg0 oz
    2 mg0.0001 oz
    5 mg0.0002 oz
    10 mg0.0004 oz
    25 mg0.0009 oz
    100 mg0.0035 oz

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