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<p>[QUOTE=&quot;Michael K, post: 3623465, member: 78298&quot;]20 pennyweight in a troy ounce.</p><p>24 grains in a pennyweight.</p><p>480 grains in a troy ounce.</p><p>5760&nbsp; grains in a 12 ounce&nbsp; troy pound.</p><p>Avoirdupois has 437.5 grains in an ounce.</p><p>16 ounces to the pound 7000 grains.</p><p>I think pennyweights are more precise for weighing gold.</p><p>They use the 31.1 gram figure these days, but it is not as precise.[/QUOTE]</p><p><br /></p>

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