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    UnitConvertLab — Unit conversion laboratory

    Convert Troy Ounce to kilograms

    Western Europe · European Weight · active · modern

    Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.

    Quick answer

    1 Troy Ounce = 0.0311035 kilograms

    1 Troy Ounce = 0.0311035 kilograms. Troy Ounce is a traditional mass unit from Western Europe.

    Convert any amount

    Troy Ounce =0.0311035 kilograms

    Troy Ounce to kilograms table

    Troy Ouncekilograms
    0.25 Troy Ounce0.00777587 kilograms
    0.5 Troy Ounce0.0155517 kilograms
    1 Troy Ounce0.0311035 kilograms
    2 Troy Ounce0.062207 kilograms
    3 Troy Ounce0.0933105 kilograms
    4 Troy Ounce0.124414 kilograms
    5 Troy Ounce0.155518 kilograms
    10 Troy Ounce0.311035 kilograms
    20 Troy Ounce0.62207 kilograms
    25 Troy Ounce0.777587 kilograms
    50 Troy Ounce1.55517 kilograms
    100 Troy Ounce3.11035 kilograms

    About the Troy Ounce

    International precious metal standard. 1 oz t = 31.1035g.

    Symbol
    oz t
    Value in SI
    1 Troy Ounce = 0.0311035 kilogram
    Typical use
    precious-metals, jewellery
    Source
    UnitConvertLab measurement atlas

    Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.

    Frequently asked

    How many kilograms are in a Troy Ounce?

    1 Troy Ounce = 0.0311035 kilograms. Multiply the number of Troy Ounce by 0.0311035 to get kilograms.

    What is Troy Ounce used for?

    International precious metal standard. 1 oz t = 31.1035g. It is classified as active and dates from the modern period.

    Is the Troy Ounce value exact?

    Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.

    How reliable is this Troy Ounce conversion?

    Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.

    Cite this page

    UnitConvertLab. (2026). Convert Troy Ounce to kilograms. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/troy-ounce-to-kilogram

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