You could (theoretically) use either... However - Kilos is the preferred measurement.
You would use kilograms to weigh a dog.
Grams
Grams
Grams
Kilograms
There are 1000 grams in a kilogram, and seeing how small a butterfly is, I'd use grams
you can't use kilograms to measure a orange, but you can use grams.
It matters on ow specific you want to be. Most commonly in grams.
Johns refrigerator has 78 grams or kilograms?
Weigh? mass in kilograms or pounds.
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.
Kilogram
grams
I would use grams because grams would give you more significant figures for the measurement than kilograms
Probably use kilograms, they're bigger than pounds. Most other countries use kilograms. Example: I weigh 120 pounds, which means I also weigh 54 kilograms.
You can use either. If you use kilograms, you will probably get a decimal, less than 1, so grams would be commonly used. By the way, grams and kilograms are units of mass, not of weight.
Kilograms are a sensible unit, as are pounds.
i think that you would measure a bag of dog food in kilograms
paper clips do not weigh much, perhaps a gram each, so 10 weigh about 10 grams, so you would use grams, not kilograms, since 1 kg = 1000 grams
There are 1000 grams in a kilogram, and seeing how small a butterfly is, I'd use grams
As far as I can tell there is no such thing as a canalop! So it does not matter whether you use grams or kilograms - the measure will be zero in either case.
If you think the item will weigh less, then it's probably best to use grams. If you think it will weigh more, then kilograms would probably be more suitable.