How many pounds are in 260 oz?

There are 16 ounces in one pound for most materials as these materials are weighed in avoirdupois pounds/ounces. Therefore, 264 avoirdupois ounces is equal to 264 / 16 = 16.5 avoirdupois pounds.

However for gold and precious metal the weight to use is troy pounds/ounces. There are 12 troy ounces per troy pound, so 264 troy ounces is 22 troy pounds.