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A pennyweight (dwt) is a unit of mass equal to 24 grains, 1 ⁄ 20 of a troy ounce, 1 ⁄ 240 of a troy pound, approximately 0.054857 avoirdupois ounce [1] and exactly 1.55517384 grams. [2] It is abbreviated dwt , d standing for denarius – (an ancient Roman coin), and later used as the symbol of an old British penny (see £sd ).
ounce: oz oz 1.0 oz (28 g) oz g; drachm: drachm (none) 1.0 drachm (1.8 g) drachm: dram (none) grain: gr gr equivalent to the troy grain 1.0 gr (0.065 g) Troy: troy pound: troy pound (none) 1.0 troy pound (0.82 lb; 0.37 kg) troy ounce: ozt ozt 1.0 ozt (1.1 oz; 31 g) pennyweight: dwt dwt 1.0 dwt (0.055 oz; 1.6 g) grain: gr gr equivalent to the ...
The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces). The troy grain is equal to the grain unit of the avoirdupois system, but the troy ounce is heavier than the avoirdupois ounce, and the troy pound is lighter than the avoirdupois pound. Legally, one troy ounce ...
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15 oz troy = 16 oz tower = 7200 gr ≈ 466.6 g Mercantile stone 12 lb L ≈ 5.6 kg Butcher's stone 8 lb ≈ 3.63 kg Sack 26 st = 364 lb ≈ 165 kg The carat was once specified as four grains in the English-speaking world. Some local units in the English dominion were (re-)defined in simple terms of English units, such as the Indian tola of 180 ...
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Today's NYT Connections puzzle for Thursday, January 9, 2025The New York Times
The apothecaries and troy pounds are divided into 12 ounces (of 480 grains) while the avoirdupois pound has 16 ounces (of 437.5 grains). The unit of volume, the gallon, has different values in the United States and in the United Kingdom – the US fluid gallon being about 0.83 imperial gallons and the US dry gallon being about 0.97 imperial ...