4 millimeters to micrometers (4 mm to µm)

Formula

To convert millimeters to micrometers, multiply the value by 1000.

µm = mm × 1000

How to convert 4 mm to µm

4 mm × 1000 = 4000 µm

Values near 4 mm

About the units

Millimeter (mm)

Common in engineering drawings, rainfall and small measurements in most countries. One thousandth of a metre.

Micrometer (µm)

Also called the micron; used for cell sizes, fibre diameters and precision machining. One millionth of a metre in the SI system.

Related conversions

• Reverse conversion: micrometers → millimeters
• millimeters → centimeters
• centimeters → millimeters
• millimeters → meters
• meters → millimeters
• millimeters → kilometers
• kilometers → millimeters
• millimeters → inches
• inches → millimeters

More millimeters to micrometers values

• 1 mm → µm
• 2 mm → µm
• 3 mm → µm
• 5 mm → µm
• 6 mm → µm
• 7 mm → µm
• 8 mm → µm
• 9 mm → µm
• 10 mm → µm
• 12 mm → µm
• 15 mm → µm
• 20 mm → µm