Meter
A meter (m) is the base unit of length in the metric system and one of the most widely used measurements in the world. It is defined precisely by the distance light travels in a vacuum during a fraction of a second, making it highly accurate for scientific use. In everyday life, meters measure things like room dimensions, athletic tracks, and object heights.
Because the meter anchors the entire metric system, converting to centimeters, kilometers, or millimeters is simple and consistent. Unit converters make switching between systems—such as meters and feet—fast and reliable for any project.
Micrometer
A micrometer (µm) is a metric unit of length equal to one-millionth of a meter. It is commonly used in science, engineering, and manufacturing to measure microscopic dimensions. For reference, a human hair is typically between 50 and 100 micrometers thick.
Micrometers help describe the size of bacteria, material thickness, and tiny machine components. When comparing such small values with larger units, a conversion tool can make precise measurements much easier to work with.