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    UnitConvertLab — Unit conversion laboratory

    Convert ounces to Pennyweight

    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 ounce = 18.2292 Pennyweight

    1 ounce = 18.2292 Pennyweight. Pennyweight is a traditional mass unit from Western Europe.

    Convert any amount

    ounces =18.2292 Pennyweight

    ounces to Pennyweight table

    ouncesPennyweight
    0.25 ounces4.5573 Pennyweight
    0.5 ounces9.11461 Pennyweight
    1 ounce18.2292 Pennyweight
    2 ounces36.4584 Pennyweight
    3 ounces54.6876 Pennyweight
    4 ounces72.9168 Pennyweight
    5 ounces91.1461 Pennyweight
    10 ounces182.292 Pennyweight
    20 ounces364.584 Pennyweight
    25 ounces455.73 Pennyweight
    50 ounces911.461 Pennyweight
    100 ounces1,822.92 Pennyweight

    About the Pennyweight

    1 Troy Ounce = 20 Pennyweight.

    Symbol
    dwt
    Value in SI
    1 Pennyweight = 0.00155517 kilogram
    Typical use
    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 Pennyweight are in a ounce?

    1 ounce = 18.2292 Pennyweight. Multiply the number of ounces by 18.229212 to get Pennyweight.

    What is Pennyweight used for?

    1 Troy Ounce = 20 Pennyweight. It is classified as active and dates from the modern period.

    Is the Pennyweight 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 Pennyweight 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 ounces to Pennyweight. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/ounce-to-pennyweight

    Report an incorrect value or source

    Regional units vary by district and by century. If this figure, its variant list or its citation is wrong where you are, tell us — the report carries the page context automatically.