You would weigh a baseball bat in kilograms.
It would actually weigh about 500 grams and it would not be very practical if your cereal box weighed more than you
Grams and kilograms are measurement of weight. For a letter you would use grams. For a package you would use kilograms as it weight is more.
35 grams!
I would use grams because grams would give you more significant figures for the measurement than kilograms
A penny weighs about 2.5 grams, which is equivalent to 0.0025 kilograms.
You would weigh a baseball bat in kilograms.
I think it is kilograms
A glass would typically weigh around 75 grams, not 75 kilograms.
10 kilograms
It would actually weigh about 500 grams and it would not be very practical if your cereal box weighed more than you
You could (theoretically) use either... However - Kilos is the preferred measurement.
A can of soup would weigh 300 grams. 300 kilograms would be a much larger weight than a typical can of soup.
50000 pennies would weigh 125 pounds, as each penny weighs about 0.0025 pounds.
closer to gram
The Lincoln, Wheat Ears Reverse penny weighs 3.11 grams. The Lincoln, Memorial Reverse penny (1959 to 1982) weighs 3.11 grams. The Lincoln, Memorial Reverse penny (1982 to present) weighs 2.5 grams. So it would all depend on which year the penny was minted.
An apple would typically weigh around 200 grams, not 200 kilograms. 200 grams is equal to 0.2 kilograms.