It depends on what the ruler's made out of. A plastic ruler would inevitably weigh less than a steel ruler.
No, you can't do a conversion from grams per inch to denier.
3
That would also depend on the thickness of that square inch!
100 gr
1 cubic inch of water weighs 16.4 (16.3961) grams.
Gray cast iron is around 118 grams per cubic inch.
The square inch is a unit of area. The cubic inch is a unit of volume; a cubic inch of uranium has a mass of approx. 312,2 grams.
Depends on the diameter. They come in 6, 8 and 10 inch.The 10 inch wraps are usually about 60 grams.
It depends on what the ruler's made out of. A plastic ruler would inevitably weigh less than a steel ruler.
A standard 9-inch styrofoam plate typically weighs around 5 grams.
A near-spherical meatball two inches in diameter should weigh slightly under two and one-half ounces (70 grams).
Five paperclips usually weigh around 1-2 grams in total.
Your 5.25 cubic inch nugget would weigh about 1660 grams. There are 31.1 grams of gold in a troy ounce. That means you have about 53.4 troy ounces of gold. Gold is vended and priced in both grams and ounces. Ball park figure is about $48,000 at this writing. Use the link to dial in a correct current answer. Gold weighs about 19.3 grams/cc for any future calculations you may wish to make.
2.54 grams/cubic inch
The weight of 1 square inch of soil can vary depending on the type of soil and its moisture content. On average, it can weigh around 0.5-1 ounce (14-28 grams).
The weight of a gold chain can vary depending on the specific design, but as a rough estimate, a 30" neck chain in 14K gold would weigh around 1.5 to 2 grams per inch. Therefore, a 30" chain would weigh approximately 45 to 60 grams.