There are 1,000 grams in a kilogram, but there are not any kilograms in a gram. 1000 grams in a kilogram (so 1/1000 of a kg in a gram) 1000 meters in a kilometer 1000 bytes in a kilobyte If your car has 100K miles on it, that's 100,000 miles If your car costs $35K, that means $35,000.