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.
Grams.
I would describe their weight in grams.
kilograms because grams are smaller than kilograms.
If I weighed less than a kilogram I would of course express my weight in grams
A glass would typically weigh around 75 grams, not 75 kilograms.
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.
Grams.
I would describe their weight in grams.
kilograms because grams are smaller than kilograms.
320 grams = 0.32 kilograms
If I weighed less than a kilogram I would of course express my weight in grams
You would measure a boy's weight in kilograms. Grams are more suited for measuring small, lightweight items.
To convert kilograms to grams, you would multiply the weight in kilograms by 1000, since there are 1000 grams in 1 kilogram. Therefore, to convert 738 kilograms to grams, you would calculate 738 kg x 1000 = 738,000 grams.
grams 1 kilogram = 1000 grams 1 gram = 0.001 kilograms
Grams.
Neither. Both gram and kilograms are units for measuring mass, not weight. The weight would be measured in Newtons.