Micrometer (µm): The micrometer, also known as the micron, is equal to one one-millionth of a meter (0.000001 meters). It is used in scientific research, especially in fields like microscopy and nanotechnology.
Centimeter (cm): The centimeter is equal to one one-hundredth of a meter (0.01 meters). It is commonly used for measuring shorter lengths, such as the height of a person or the dimensions of objects.