Selecting a unit of measurement

1. How do we choose the unit measurement?
2. What are 5 units of measurement?
3. Why we choose standard units for measurement?

How do we choose the unit measurement?

Very small things should be measured in millimeters. Objects larger than 10 mm but smaller than a meter should be measured using centimeters, and objects larger than a meter should be measured using meters. Very large distances should be measured in units of kilometers.

What are 5 units of measurement?

The basic units for length or distance measurements in the English system are the inch, foot, yard, and mile. Other units of length also include the rod, furlong, and chain.

Why we choose standard units for measurement?

We need standard unit for measurement to make our judgement more reliable and accurate. For proper dealing, measurement should be same for everybody. Thus there should be uniformity in measurement. For the sake of uniformity we need a common set of units of measurement, which are called standard units.