Question

What are the non standard unit ?

Answer 1

There are two types of units of measurement, and those are standard and nonstandard units of measurement. Standard units of measurement are units of measurement that are typically used within each measurement system, such as inches, feet, ounces, pounds, kilograms, or cups.

Answer 2

nom standard unit
Of measurements can be
I) fathom
ii) handspan
iii) arm