The weight of a guitar could be determined in either kilograms or grams, but preferably in kilograms.
Kilograms
10 kilograms
grams
825,000
You would weigh a baseball bat in kilograms.
I think that would make it 140 kilograms and 186 grams
Kilograms
kilograms
10 kilograms
grams
9kg
825,000
You could (theoretically) use either... However - Kilos is the preferred measurement.
I think it is kilograms
1300 grams
290kg
You would weigh a baseball bat in kilograms.