Chain to Nanometer Converter
Convert Chain (ch) to Nanometer (nm) instantly. 1 ch = 20,116,800,000 nm.
Length Converter
31 units available
1 ch = 20,116,800,000 nm
Formula:
nm = ch × 2.011680e+10With your value: 1 ch = 20,116,800,000 nm
How big is that?
Everyday references on a logarithmic scale, all expressed in chain so you can sanity-check the result.
Other Chain to Nanometer conversions
Chain to Nanometer Conversion Table
| Chain (ch) | Nanometer (nm) |
|---|---|
| 0.5 | 10,058,400,000 |
| 1 | 20,116,800,000 |
| 2 | 40,233,600,000 |
| 5 | 100,584,000,000 |
| 10 | 201,168,000,000 |
| 15 | 301,752,000,000 |
| 20 | 402,336,000,000 |
| 25 | 502,920,000,000 |
| 50 | 1.005840e+12 |
| 100 | 2.011680e+12 |
| 250 | 5.029200e+12 |
| 500 | 1.005840e+13 |
| 1000 | 2.011680e+13 |
Nanometer to Chain Conversion Table
| Nanometer (nm) | Chain (ch) |
|---|---|
| 0.5 | 2.485485e-11 |
| 1 | 4.970970e-11 |
| 2 | 9.941939e-11 |
| 5 | 2.485485e-10 |
| 10 | 4.970970e-10 |
| 15 | 7.456454e-10 |
| 20 | 9.941939e-10 |
| 25 | 1.242742e-9 |
| 50 | 2.485485e-9 |
| 100 | 4.970970e-9 |
| 250 | 1.242742e-8 |
| 500 | 2.485485e-8 |
| 1000 | 4.970970e-8 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Chain (ch)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Nanometer (nm)
Length
Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Chain to Nanometer
To convert from Chain (ch) to Nanometer (nm), multiply the value by 20,116,800,000.
Formula: nm = ch × 2.011680e+10
Reverse: ch = nm × 4.970970e-11
Step-by-Step Example
- Start with your value in Chain. For example: 5 ch
- Multiply by the conversion factor: 5 x 20,116,800,000
- The result is: 100,584,000,000 nm
About Chain
Gunter's chain equals 66 feet (20.1168 m) and underpins the US Public Land Survey System: 10 square chains make one acre.
Common uses: land surveying, cadastral records, cricket pitch length.
About Nanometer
The nanometre equals one billionth of a metre and is the standard scale for wavelengths of light and semiconductor process nodes.
Common uses: optics, chip manufacturing, nanotechnology.
Frequently Asked Questions
How many Nanometer are in 1 Chain?
There are exactly 20,116,800,000 Nanometer in 1 Chain. This means the conversion factor from Chain to Nanometer is 20,116,800,000.
What is the formula to convert Chain to Nanometer?
The formula to convert Chain to Nanometer is: nm = ch × 2.011680e+10. For example, to convert 10 Chain to Nanometer, you would multiply 10 by 20,116,800,000.
What is a Chain?
Gunter's chain equals 66 feet (20.1168 m) and underpins the US Public Land Survey System: 10 square chains make one acre.
What is a Nanometer?
The nanometre equals one billionth of a metre and is the standard scale for wavelengths of light and semiconductor process nodes.
What are the common uses of Chain?
The Chain is commonly used in land surveying, cadastral records, cricket pitch length.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Chain to Nanometer converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/chain-to-nanometer