kilograms
Kilogram
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.
kilograms
kilograms because grams are smaller than kilograms.
kilograms
you can't use kilograms to measure a orange, but you can use grams.
Kilogram
You could (theoretically) use either... However - Kilos is the preferred measurement.
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.
kilograms
kilograms because grams are smaller than kilograms.
grams
grams
To measure a dinosaur, it is more appropriate to use kilograms because dinosaurs are large creatures and their weight is typically measured in kilograms. Grams may not be a suitable unit for such large measurements.
Well, darling, if you want to get technical, you would weigh scissors in grams. Kilograms would be a bit overkill for those sharp little things. But hey, if you want to weigh them in elephants, go right ahead - just make sure you have a big enough scale.
I would use grams because grams would give you more significant figures for the measurement than kilograms