From Wikipedia: "... exactly 1.771 845 195 312 5 grams". You would normally want to round this to a more convenient number, for example, to 1.772 grams. I found this in the article on "dram"; "drachm", it seems, is an alternative spelling.
Eight (8) grams is equal to one savaran.
One thousand grams equal to one kilogram.Kilo is a prefix for thousand.
28.35 grams are equal to one ounce.
1000 grams
The 300 kilograms is equal to 300,000 grams.
1 pound is equal to 453.592 grams.
One pound is equal to about 453.6 grams.
About 453.6 grams in one pound.
There are 453.59237 grams in one pound.
One ounce = 28.349523125 grams
One decigram is equal to 0.1 grams.
One ounce = 28.349523125 grams