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Message: <blockquote data-quote="Alzrius" data-source="post: 5525334" data-attributes="member: 8461">I think your math is slightly off.I'm pretty sure you're assuming that 50 gold coins equals one troy pound. Currently, a troy ounce of gold is worth $1,475 USD; one troy pound is twelve ounces, so a troy pound of gold is worth $17,700 - divide that by fifty (since D&D 3.5 presumes fifty coins to a pound), and each coin is worth $354 USD. Now, multiply that by a great red wyrm's treasure hoard, valued as you noted at 1,680,000 gp, and that's only worth $594,720,000 USD.I'm not sure that D&D assumes the troy weights at the pound level, though. I can't prove this, but I think that D&D 3.5 expects us to assume that the 1 pound generated by 50 gold coins is equal to 1 pound of food, despite the fact that the two have different weight (the former is troy, the latter is avoirdupois).If we assume that one pound of gold coins in D&D weighs the same as one pound of everything else, however, then D&D gold coins actually weigh more, and thus are worth more, than we got from our previous calculation. Since the smallest unit of measurement in troy and avoirdupois, a grain, is equal weight in both systems, we can figure out the difference. As noted, a troy ounce of gold is worth $1,475 USD. Since a troy ounce has 480 grains, that's a worth of $3.07 USD per grain.Now, an avoirdupois pound has seven thousand grains in it (incidentally, an avoirdupois pound is made up of sixteen avoirdupois ounces at 437.5 grains each). Divide that seven thousand grains by fifty, and each coin has 140 grains, making it worth $429.80 USD (thus fifty gold coins in D&D 3.5 is worth $21,490 USD).So, given that a great red wyrm's treasure hoard has a gp value of 1,680,000 gp, that's worth a total worth of $722,064,000 USD, which is closer, albeit still smaller, than the value you got.</blockquote>

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