Chain to Angstrom Converter
Convert Chain (ch) to Angstrom (Å) instantly. 1 ch = 201,168,000,000 Å.
Length Converter
31 units available
1 ch = 201,168,000,000 Å
Formula:
Å = ch × 2.011680e+11With your value: 1 ch = 201,168,000,000 Å
How big is that?
Everyday references on a logarithmic scale, all expressed in chain so you can sanity-check the result.
Other Chain to Angstrom conversions
Chain to Angstrom Conversion Table
| Chain (ch) | Angstrom (Å) |
|---|---|
| 0.5 | 100,584,000,000 |
| 1 | 201,168,000,000 |
| 2 | 402,336,000,000 |
| 5 | 1.005840e+12 |
| 10 | 2.011680e+12 |
| 15 | 3.017520e+12 |
| 20 | 4.023360e+12 |
| 25 | 5.029200e+12 |
| 50 | 1.005840e+13 |
| 100 | 2.011680e+13 |
| 250 | 5.029200e+13 |
| 500 | 1.005840e+14 |
| 1000 | 2.011680e+14 |
Angstrom to Chain Conversion Table
| Angstrom (Å) | Chain (ch) |
|---|---|
| 0.5 | 2.485485e-12 |
| 1 | 4.970970e-12 |
| 2 | 9.941939e-12 |
| 5 | 2.485485e-11 |
| 10 | 4.970970e-11 |
| 15 | 7.456454e-11 |
| 20 | 9.941939e-11 |
| 25 | 1.242742e-10 |
| 50 | 2.485485e-10 |
| 100 | 4.970970e-10 |
| 250 | 1.242742e-9 |
| 500 | 2.485485e-9 |
| 1000 | 4.970970e-9 |
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
Angstrom (Å)
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 Angstrom
To convert from Chain (ch) to Angstrom (Å), multiply the value by 201,168,000,000.
Formula: Å = ch × 2.011680e+11
Reverse: ch = Å × 4.970970e-12
Step-by-Step Example
- Start with your value in Chain. For example: 5 ch
- Multiply by the conversion factor: 5 x 201,168,000,000
- The result is: 1.005840e+12 Å
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 Angstrom
The angstrom (Å) equals 10⁻¹⁰ metres, or 0.1 nanometres — roughly the diameter of a hydrogen atom, which is why it survives in crystallography and spectroscopy.
Common uses: crystallography, atomic physics, semiconductors.
Frequently Asked Questions
How many Angstrom are in 1 Chain?
There are exactly 201,168,000,000 Angstrom in 1 Chain. This means the conversion factor from Chain to Angstrom is 201,168,000,000.
What is the formula to convert Chain to Angstrom?
The formula to convert Chain to Angstrom is: Å = ch × 2.011680e+11. For example, to convert 10 Chain to Angstrom, you would multiply 10 by 201,168,000,000.
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 Angstrom?
The angstrom (Å) equals 10⁻¹⁰ metres, or 0.1 nanometres — roughly the diameter of a hydrogen atom, which is why it survives in crystallography and spectroscopy.
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 Angstrom converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/chain-to-angstrom