📏 nm to cm — Nanometer to Centimeter Converter

Convert length and distance units — meters, feet, inches, kilometers, miles, light years and more.

1 unit =
From
To
Formula 1 nm = 1e-07 cm
UnitNameValue
0.001 nm1.000e-10 cm
0.01 nm1e-09 cm
0.1 nm1e-08 cm
1 nm1e-07 cm
5 nm5e-07 cm
10 nm1e-06 cm
50 nm5e-06 cm
100 nm1e-05 cm
1000 nm0.0001 cm

How to convert Nanometer to Centimeter

Multiply the number of Nanometers by 1e-07 to get Centimeters. Formula: cm = nm × 1e-07. Example: 10 nm × 1e-07 = 1e-06 cm. To reverse, divide Centimeters by 1e-07 to get Nanometers.

Worked examples

Example 1
1 nm × 1e-07 = 1e-07 cm
1 Nanometer equals 1e-07 Centimeter.
Example 2
5 nm × 1e-07 = 5e-07 cm
5 Nanometer equals 5e-07 Centimeter.
Example 3
10 nm × 1e-07 = 1e-06 cm
10 Nanometer equals 1e-06 Centimeter.
Example 4 — reverse
1 cm = 10000000 nm
To convert back from Centimeter to Nanometer, divide by 1e-07 or use the swap button above.

Nanometer to Centimeter — reference table

Nanometer (nm)Centimeter (cm)
0.001 nm1×10-10 cm
0.01 nm1×10-9 cm
0.1 nm1×10-8 cm
0.5 nm5×10-8 cm
1 nm1e-07 cm
2 nm2e-07 cm
5 nm5e-07 cm
10 nm1e-06 cm
20 nm2e-06 cm
50 nm5e-06 cm
100 nm1e-05 cm
250 nm2.5e-05 cm
500 nm5e-05 cm
1000 nm0.0001 cm
10000 nm0.001 cm

Quick conversion tips

1
Multiply by 1e-07

To convert Nanometer to Centimeter, multiply by 1e-07. Example: 10 nm = 1e-06 cm

2
Reverse: divide by 1e-07

To convert Centimeter back to Nanometer, divide by 1e-07 (multiply by 10000000). Use the swap button above.

3
Round number check

Start with 100 Nanometers = 1e-05 cm as your reference point. Scale up or down from there.

Where nanometer to centimeter conversion is used

CGS spectroscopy and photonics

The CGS unit system uses centimetres as its base length unit. Photonics researchers writing CGS-based equations for light-matter interaction convert nanometre wavelengths to centimetres for consistent dimensional analysis.

Spectroscopy calibration

Spectrometer calibration uses known spectral lines in nanometres while instrument geometric parameters (grating spacing, focal length, slit dimensions) use centimetres. Engineers converting between the two calibrate every spectrometer.

Antireflection coating on cm-scale optics

Anti-reflection coatings are designed at nanometre thickness while the lenses they coat are specified in centimetres. Optical coating engineers convert between nm-scale coating design and cm-scale optical element dimensions.

Laser beam optics

Laser wavelengths use nanometres while beam diameter, propagation distance, and optical component sizes use centimetres. Photonics engineers convert between nm and cm in every beam shaping and optical system design.

DNA gel electrophoresis

DNA fragment sizes are described in base pairs (each ~0.34 nm) while gel dimensions and migration distances use centimetres. Molecular biologists convert between nm-scale DNA structure and cm-scale gel apparatus dimensions.

Photovoltaic cell design

Solar cell active layer thicknesses use nanometres while cell and panel dimensions use centimetres. Photovoltaic engineers convert between nm-scale layer design and cm-scale device dimensions in every solar cell specification.

Frequently asked questions

1 Nanometer equals 1e-07 Centimeters. Multiply any Nanometer value by 1e-07 to get Centimeters.
10 Nanometers equals 1e-06 Centimeters. (10 × 1e-07 = 1e-06)
100 Nanometers equals 1e-05 Centimeters. (100 × 1e-07 = 1e-05)
Divide Centimeter by 1e-07 to get Nanometers. Or multiply by 10000000. Use the swap button on the converter above for instant reverse conversion.
Formula: cm = nm × 1e-07. Example: 5 nm × 1e-07 = 5e-07 cm.
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About Nanometer and Centimeter

Nanometer (nm)

The Nanometer is a unit of Length measurement (symbol: nm). 1 nm = 1e-07 cm. Used in scientific and practical Length measurement applications.

Centimeter (cm)

The Centimeter is a unit of Length measurement (symbol: cm). It is part of an internationally recognised measurement system used alongside the Nanometer.

History & origin

The nanometre owes its name to the Greek 'nanos' (dwarf) combined with 'metre'. The prefix 'nano' was formally adopted by the International Committee for Weights and Measures in 1960 as part of the SI prefix system. Before the nanometre became standard, atomic-scale scientists used angstroms (1 nm = 10 Å), a unit named after Swedish spectroscopist Anders Ångström. The nanometre rose to public prominence in the 1980s and 1990s alongside the emergence of nanotechnology and semiconductor manufacturing, where transistor feature sizes first crossed the nanometre threshold around 1995 with the 180nm process node. Today the nanometre defines the entire semiconductor industry — every chip generation is named by its nm node size.

The centimetre was introduced in 1795 as part of the French metric system — one-hundredth of a metre. The CGS system built around it became dominant in 19th-century science. The centimetre is now the primary unit for body measurements, clothing sizes, and everyday objects in most of the world.

Common use: Nanometer to Centimeter conversion is needed when working with international standards, scientific publications, or reference materials that use different unit systems for Length measurement.