mm to Nanometers Converter (mm to nm)

How to convert millimeters to nanometers

Formulanm = mm × 1,000,000

Multiply the value in millimeters by 1,000,000. To go the other way, multiply by 0.000001 (or divide by 1,000,000).

A millimeter is larger than a nanometer: one millimeter contains 1,000,000 nanometers.

Worked examples

1 millimeter1 mm × 1,000,000 = 1,000,000 nm
5 millimeters5 mm × 1,000,000 = 5,000,000 nm
10 millimeters10 mm × 1,000,000 = 10,000,000 nm
20 millimeters20 mm × 1,000,000 = 20,000,000 nm
100 millimeters100 mm × 1,000,000 = 100,000,000 nm

Millimeters to nanometers conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Millimeters to nanometers: 0.1–10 mm
Millimeters (mm)	Nanometers (nm)
0.1 mm	100,000 nm
0.25 mm	250,000 nm
0.5 mm	500,000 nm
1 mm	1,000,000 nm
2 mm	2,000,000 nm
3 mm	3,000,000 nm
4 mm	4,000,000 nm
5 mm	5,000,000 nm
6 mm	6,000,000 nm
7 mm	7,000,000 nm
8 mm	8,000,000 nm
9 mm	9,000,000 nm
10 mm	10,000,000 nm

Millimeters to nanometers: 12–1,000 mm
Millimeters (mm)	Nanometers (nm)
12 mm	12,000,000 nm
15 mm	15,000,000 nm
20 mm	20,000,000 nm
25 mm	25,000,000 nm
30 mm	30,000,000 nm
40 mm	40,000,000 nm
50 mm	50,000,000 nm
75 mm	75,000,000 nm
100 mm	100,000,000 nm
250 mm	250,000,000 nm
500 mm	500,000,000 nm
1,000 mm	1,000,000,000 nm

About the units

Millimeter (mm)

One thousandth of a metre. Millimetres are the standard unit on engineering drawings, rulers and rainfall gauges; a credit card is about 0.76 mm thick. One millimeter equals 0.001 meters (m).

Nanometer (nm)

One billionth of a metre. Visible light wavelengths run from about 380 to 750 nm, and semiconductor process nodes are named in nanometres. One nanometer equals 1×10⁻⁹ meters (m).

Frequently asked questions

How many nanometers are in one millimeter?

There are 1,000,000 nanometers in one millimeter, and this value is exact by definition.

How do I convert millimeters to nanometers?

Multiply the number of millimeters by 1,000,000. For example, 10 mm × 1,000,000 = 10,000,000 nm.

How many millimeters are in one nanometer?

One nanometer equals 0.000001 millimeters. That is the reverse factor, 1 ÷ 1,000,000.

What is 10 millimeters in nanometers?

10 mm = 10,000,000 nm.

Is this mm to nm converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

mm to Nanometers Converter