According to the Bureau of Engraving and Printing, US paper currency is made up of 75% cotton and 25% linen. That is, there are three-fourths of a pound of cotton in each pound of dollar bills. This same source also informs us that there are 454 bills in a pound of currency.

During the 2009 Fiscal Year , over six billion bills of all denominations were printed in the United States, consuming 21,476 bales of cotton. The total dollar value of these bills was two hundred and nineteen billion dollars, or $21,290.55 per pound of cotton.