If by 1k you mean 1 kilogram (kg) then:
1 kg = 1000 g
1200 grams is greater.
I don't think so. 1k equals 1 thousand of something. 1k grams is equal to 1 kilogram. 1,200 grams is equal to 1.2kg. However, I'm not sure if this is true. Not 100% sure.
1000
.62 miles
$1,000
1000 ohms.
One kilogram is heavier than 300 grams. This is because there are 1000 grams in a kilogram. Therefore, 1 kilogram is equivalent to 1000 grams, making it heavier than 300 grams.
1K
There are 1,024 bytes in 1 kilobytes
40,000 as of 2004
1 kilogram is in 1 K
1 kilometer=1,000 meters