Micrometer to Millimeter

Minimal, fast, and accurate. Type a value, select units, get the result instantly.

Type a number to convert instantly.

Result

0.001

mm

Conversion rate: 1 µm = 0.001 mm

Showing up to 4 decimal

How it works

The converter uses exact SI-based factors (e.g., 1 foot = 0.3048 meters, 1 inch = 0.0254 meters).

Formula: millimeters = micrometer × 0.001

Results show between 0 and 8 decimal places and hide trailing zeros for readability.

Conversion Table

Micrometer Millimeter
0.001 µm 0.000001 mm
0.01 µm 0.00001 mm
0.1 µm 0.0001 mm
1 µm 0.001 mm
10 µm 0.01 mm
100 µm 0.1 mm
1000 µm 1 mm

History

Micrometer (μm)

The micrometer, symbolized as μm, is a metric unit representing one millionth of a meter. Introduced in the 19th century, it is essential for precision measurements in science and engineering. Micrometers are widely used in fields such as materials science, electronics, and biology to measure objects ranging from cells to microchips and mechanical components. Its small scale makes it ideal for describing dimensions invisible to the naked eye, bridging the gap between millimeters and nanometers. The unit has become a standard in laboratories and manufacturing, enabling high accuracy and international standardization.

Millimeter (mm)

The millimeter, abbreviated mm, stands for one-thousandth of a meter and is crucial for precise measurement tasks. Introduced with the metric system in the late 1700s, the millimeter allows for extremely detailed measurements, which is why it is vital in engineering, machining, and manufacturing. Its precision helps create parts that fit perfectly together. The millimeter is also commonly used in science, including microscopy, material studies, and building construction. Although it measures a tiny length, the millimeter has played a major role in enhancing accuracy and global measurement standards.

Other Relevant Conversions

m → cm m → mm m → km m → in m → ft m → yd m → mi m → µm m → nm cm → m cm → mm cm → km cm → in cm → ft cm → yd cm → mi cm → µm cm → nm mm → m mm → cm mm → km mm → in mm → ft mm → yd mm → mi mm → µm mm → nm km → m km → cm km → mm km → in km → ft km → yd km → mi km → µm km → nm in → m in → cm in → mm in → km in → ft in → yd in → mi in → µm in → nm ft → m ft → cm ft → mm ft → km ft → in ft → yd ft → mi ft → µm ft → nm yd → m yd → cm yd → mm yd → km yd → in yd → ft yd → mi yd → µm yd → nm mi → m mi → cm mi → mm mi → km mi → in mi → ft mi → yd mi → µm mi → nm µm → m µm → cm µm → mm µm → km µm → in µm → ft µm → yd µm → mi µm → nm nm → m nm → cm nm → mm nm → km nm → in nm → ft nm → yd nm → mi nm → µm