Since a Baseball cap weighs less than one kilogram, using grams would better. For example 120 grams, as opposed to 0.12 kilograms.
Kilogram
Kilograms!
Kilograms
Grams
I would describe their weight in grams.
kilograms
Kilogram
Kilograms!
Kilograms
you can't use kilograms to measure a orange, but you can use grams.
Kilograms because grams are to small for a penguin
grams
Grams
You would use kilograms.
grams
Grams
I would describe their weight in grams.