Measuring the size of the universe is the largest physical measurement attempted. There are computations which go far beyond this. The number of combinations that can make up chemical compounds for instance
For a set of measurements, the range is the biggest measurement minus the smallest measurement.
the smallest form of measurement is a nanometer
The question cannot be answered as it is purely subjective and not amenable to any form of measurement. With the exception of finding the fan that has the most mass.
yards
A carat is a measurement of weight. The biggest carat, then, would be the weight of the biggest item being weighed using carats.
the biggest one, duhhh!
No, "biggest" is not a noun. It is the superlative form of the adjective "big."
newtons
Unless you count half-gallons as a measurement, quarts are the biggest besides gallons.
measurementii
Not really. A decimetre is not a measurement unit which is used much.
meter