Kilograms
A "gran" is a German measurement, it is neither customary or metric. A "gram" is a metric unit.
Carat IS a metric unit of mass
No mililimeter can weigh a gram. A gram is a metric unit of weight, and a millimeter is a metric unit of length or distance.
Kilograms.
grams
kilograms (kg) 1000g=1kg
mL.
enough to make you hard
The Newton is the metric unit for weight. The unit is:kilogram meters per seconds squaredorkg . m/sec2.Also, one pound equals 4.44822162 Newtons.
The metric unit is a millilitre. The metric unit is a millilitre. The metric unit is a millilitre. The metric unit is a millilitre.
The metric (SI) unit for weight is the newton, since weight is a force. When people talk about "weight", they sometimes actually mean "mass". The unit for mass is the kilogram.
A Newton, though a millinewton may seem more appropriate.