It would usually be 2kg.
If the mass of the apples is 3,249 grams, their mass is also equal to 3.249 kilograms.(Their weight on earth is 31.84 newtons, or 7.163 pounds. In other places,it would be different. The 'kilogram' is not properly a unit of force or weight.)
grams
grams
The apple would most likely have a mass of 250 grams
5 grams.
you should use kilograms
The prefix "kilo-" means 1000, so 2.5 kilograms would be 2.5 x (1000 grams), or 2,500 grams.
The mass of a ruler would be measured in grams (g).
Grams of course They are very small and don't need to be measured by big measurements
Grams, beacuase that would be like a ton of milligrams and .0000... Kilograms.
I think u would use 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.