Depends how big but it would probably be grams.
Grams
Depends on the SIZE of the chair. Normal house hold chairs - Kg. Or Pounds (Lbs) Avdp Barry
The SI standard for mass is the Kilogram (kg). For a ring, grams (g) may be more fitting. A Kilogram is 1000 grams if you didn't know.
Well, if you want a more measurement you would use kilograms because it is more size appropriate. For example, humans are mostly likely to be measured in kilograms and pounds. Using grams for humans would give you a gigantic number that you would not want to say every time you need it.
The weight of a single baseball would be measured in grams (g).
I will measure a book with grams
Grams
Kilogram
A gram, as there are 1000 grams in a kilogram. A penny only weighs a few grams anyway.
Grams
A kilogram.
Kilograms
Grams
it would be a gram and if you didn't know a kilogram is equal to 1,000 grams
in grams
Kilogram is a measure of weight - so you would use it to weight something. You would probably use it for objects that are large enough to make using grams unnecessary.
Kilogram is the Standard Measure used for measuring mass as used by the SI standard of measure. A kilogram is 1,000 grams just as a kilometer is 1,000 meters. you also can measure for instance a bag of rice.