The Newton. However, "weight" and "mass" are often confused; if you want a person's mass, that would be measured in kilograms.
enough to make you hard
Carat IS a metric unit of mass
One US gallon of producer's milk (not skimmed, semi-skimmed, homogenised etc), weighs 10.1 pounds-force in customary measure and 44.5 newton in metric measure.
5.976e+21 metric tons.
It really depends how tall he is. A man who is 1.78 metres tall should weigh around 80 kilograms.
That depends how much zinc you have.
5grams
Up to 346 metric tonnes
ask your mom...
550,000t metric tonnes
your mama 100000lb
well surely it depends on how much aluminum you have!!