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    Mass Conversion

    Dram to Troy Ounce Converter

    Quick answer

    To convert Drams to Troy Ounces, multiply by 0.0569661458 (or divide by 17.5542857143). Therefore, 1 Dram (dr) equals 0.05696615 Troy Ounces (oz t).

    Formula: oz t = dr × 0.0569661458. Worked example: 10 dr = 0.569661 oz t.

    Convert Dram (dr) to Troy Ounce (oz t) online with our free unit converter. In mass, 1 dr = 0.056966 oz t. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Dram to Troy Ounce

    1. Step 1 — start with the formula. oz t = dr × 0.0569661458
    2. Step 2 — substitute your figure. 10 dr × 0.0569661458
    3. Step 3 — read the result. 10 dr = 0.569661 oz t
    4. Step 4 — check it in reverse. dr = oz t × 17.5542857143 returns 10 dr, which matches the figure you started with.

    Mass Converter

    26 units available

    Decimals:
    0.056966

    1 dr = 0.056966 oz t

    Formula:

    oz t = dr × 0.0569661458

    With your value: 1 dr = 0.05696615 oz t

    How big is that?

    Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.

    Paperclip (1/1.8 your value)0.564 dr
    Your value1.00 dr
    AA battery (14× your value)13.5 dr
    Can of soda (2.2e+2× your value)220 dr
    Bag of sugar (5.6e+2× your value)564 dr
    House cat (2.5e+3× your value)2.54e+3 dr

    Other Dram to Troy Ounce conversions

    2 dr to oz t3 dr to oz t4 dr to oz t5 dr to oz t6 dr to oz t7 dr to oz t8 dr to oz t

    Dram to Troy Ounce Conversion Table

    Dram (dr)Troy Ounce (oz t)
    0.50.028483
    10.056966
    20.113932
    50.284831
    100.569661
    150.854492
    201.139323
    251.424154
    502.848307
    1005.696615
    25014.241536
    50028.483073
    100056.966146

    Troy Ounce to Dram Conversion Table

    Troy Ounce (oz t)Dram (dr)
    0.58.777143
    117.554286
    235.108571
    587.771429
    10175.542857
    15263.314286
    20351.085714
    25438.857143
    50877.714286
    1001,755.428571
    2504,388.571429
    5008,777.142857
    100017,554.285714

    Where these values come from

    Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

    Dram (dr)

    Mass

    Exact conversion

    Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).

    Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

    Bureau International des Poids et Mesures · Reviewed 2026-07-01

    Troy Ounce (oz t)

    Mass

    Exact conversion

    1 troy ounce = 480 grains = 0.031 103 476 8 kg exactly. Used for precious metals only.

    Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    How to Convert Dram to Troy Ounce

    To convert from Dram (dr) to Troy Ounce (oz t), multiply the value by 0.0569661458.

    Formula: oz t = dr × 0.0569661458

    Reverse: dr = oz t × 17.5542857143

    Step-by-Step Example

    1. Start with your value in Dram. For example: 5 dr
    2. Multiply by the conversion factor: 5 x 0.0569661458
    3. The result is: 0.284831 oz t

    Dram and Troy Ounce Relationship

    This calculation facilitates standardized conversion between recognized units of mass. Since 1 Dram represents a fraction of a Troy Ounce (1 Troy Ounce ≈ 17.5543 Drams), the Troy Ounce is the larger measurement interval. Understanding the relationship between Dram and Troy Ounce is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Dram

    The Dram (symbol: dr) is a recognized unit in the Standard measurement framework, utilized within mass applications for precision and standardized data representation.

    Common uses of Dram: mass calculations, engineering and science, education.

    About Troy Ounce

    The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.

    Common uses of Troy Ounce: gold trading, silver markets, precious metals.

    Frequently Asked Questions

    How many Troy Ounces are in 1 Dram?
    There are exactly 0.0569661458 Troy Ounces in 1 Dram. This means the conversion factor from Dram to Troy Ounce is 0.0569661458.
    What is the formula to convert Dram to Troy Ounce?
    The formula to convert Dram to Troy Ounce is: oz t = dr × 0.0569661458. For example, to convert 10 Drams to Troy Ounces, you would multiply 10 by 0.0569661458.
    What is a Dram?
    The Dram (symbol: dr) is a recognized unit in the Standard measurement framework, utilized within mass applications for precision and standardized data representation.
    What is a Troy Ounce?
    The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.
    What are the common uses of Dram?
    The Dram is commonly used in mass calculations, engineering and science, education.

    Related Mass Conversions

    Kilogram → Troy OunceGram → Troy OunceMilligram → Troy OunceMicrogram → Troy OunceNanogram → Troy OuncePicogram → Troy OunceMetric Ton → Troy OuncePound → Troy OunceOunce → Troy Ounce

    Cite this page

    UnitConvertLab. (2026). Dram to Troy Ounce converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-troy_ounce