Paper comes in a variety of thicknesses and sizes, so the weight of 4 sheets of paper is not a fixed quantity - although you might narrow it down by stating, the weight of 4 sheets of regular photocopy paper, in which case the answer is, it weighs more than a gram, but it's much closer to a gram than it is to a kilogram.
About 1 gram
one gram roughly
gram
A kilogram.A kilogram.A kilogram.A kilogram.
A gram is about the weight of a paper clip. A kilogram is about the weight of a kitten.
About 1 gram
Kilogram
one gram roughly
kilogram
A gram.
The appropriate units is a kilogram.
gram
gram
one gram roughly
1 kilogram = 1000 grams 1 gram = 0.001 kilogram
lots of kilograms
grams