What is correct Kg or kg?

Answer 1

1 kilogram = 1000 grams

1 gram = 0.001 kilograms

Answer 2

kg is correct. The symbol for kilo is k, and that of gram is g.

Answer 3

Both are correct. According to the prefix naming series kg ... cg mg or Kg ... Mg Gg Tg. (note that mg and Mg are very different 1/1000 g and 1000000 g or 1/1000000 kg and 1000 Kg respectively).

Answer 4

Both are correct.... We can use both.