Which is the smallest measure of length millimeter, centimeter , inches , ot miles

The smallest measure of length is the millimeter (mm).

The smallest measure of length among millimeter, centimeter, inches, and miles is the millimeter.

The smallest measure of length is the millimeter (mm). To understand why, let's compare the different units you mentioned:

1. Millimeter (mm): This is the smallest unit of length in the metric system. It is equal to one thousandth of a meter. To measure small objects or short distances, millimeters are commonly used.

2. Centimeter (cm): The centimeter is slightly larger than the millimeter. It is equal to one hundredth of a meter. Centimeters are often used for measuring everyday objects or short distances.

3. Inches (in): The inch is a unit of length commonly used in the imperial system. It is larger than both the millimeter and centimeter. One inch is equal to 2.54 centimeters. Inches are used mainly in countries that have not adopted the metric system.

4. Miles (mi): The mile is the largest unit of length you mentioned. It is commonly used to measure longer distances, especially in transportation and navigation. One mile is approximately 1.6 kilometers.

Therefore, out of the units you listed, the millimeter is the smallest measure of length.