The 10 grams of protein that most of us get from cereal and milk at breakfast, he added, is not enough to get the bodyâs muscle-building machinery working at full throttle. For that, we would need to eat about 25 to 30 grams of protein, the amount in a three-egg cheese omelet.
For example, the prefix kilo means times a thousand or one thousand of the units in question. So  kilometre means one thousand metres and kilogrammeans one thousand grams.
The kilogram is the only SI base unit with an SI prefix (kilo, symbol k) as part of its name. It is also the only SI unit that is still directly defined by an artifact rather than a fundamental physical property that can be reproduced in different laboratories.