Conversion from gold standard dollars to modern USD
Eagles—each to be of the value of ten dollars or units, and to contain two hundred and forty-seven grains and four eighths of a grain of pure, or two hundred and seventy grains of standard gold…
That the standard for all gold coins of the United States shall be eleven parts fine to one part alloy; and accordingly that eleven parts in twelve of the entire weight of each of the said coins shall consist of pure gold, and the remaining one twelfth part of alloy…
Equivalency of pure and standard
247, 4/8 gr = 247.5 gr
=270 * 11 / 12 = 247.5 gr
One million gold standard dollars = 1 603.773 022 5 kilograms of gold
10 Au d = 247.5 gr Au
1,000,000 Au d =247.5 * 1000000 / 10 = 24,750,000 gr Au
1 gr Au = 0.000 064 798 91 kg Au
1,000,000 Au d = 24,750,000 gr Au =24750000 * 0.00006479891 = 1,603.773 022 5 kg Au
Conversion from one million gold standard dollars to modern USD
General formula: =[USD per kg Au] * 1603.7730225
1 kg Au = USD 108,955.91
1,603.773 022 5 kg Au =108955.91 * 1603.7730225 = 170,000,000 USD