How many angstroms are in 1 chain?

One chain (66 feet / 20.1168 meters) contains approximately 2.012 x 1011 angstroms (about 201 billion). Since 1 meter = 1010 angstroms, multiply 20.1168 by 1010.

How do I convert chains to angstroms?

Multiply the number of chains by 2.012 x 1011. For example, 10 chains (one furlong) = 2.012 x 1012 angstroms.

Is this conversion ever needed?

No. Chains are a historical land surveying unit. Angstroms measure atoms and molecules. No scientific or surveying application requires converting between them.

Chains to Angstroms (ch to A) Converter

1 ch = 201,168,000,000 A

1 Chain equals 201,168,000,000 Angstroms (1 ch = 201,168,000,000 A). Convert Chains to Angstroms with formula, table, and examples.

One chain equals approximately 2.012 x 10¹¹ angstroms, or about 201 billion angstroms. Gunter's chain (66 feet / 20.1168 m) was the backbone of English land surveying, while the angstrom measures atomic bonds. These units are separated by 11 orders of magnitude and have never intersected in practice.

How to Convert Chains to Angstroms

A = ch × 201,168,000,000

Multiply the value in Chains by 201,168,000,000

Take your value in Chains
Multiply by 201,168,000,000
Read the result in Angstroms

Common Chains to Angstroms Conversions

Chains (ch)	Angstroms (A)	Status
1 × 10⁻¹¹ ch	2.0117 A
1 × 10⁻¹⁰ ch	20.1168 A
1 × 10⁻⁹ ch	201.168 A
1 × 10⁻⁸ ch	2,011.68 A
1 × 10⁻⁷ ch	20,116.8 A
0.000001 ch	201,168 A
0.00001 ch	2,011,680 A
0.0001 ch	20,116,800 A
0.001 ch	201,168,000 A
0.01 ch	2,011,680,000 A
0.1 ch	20,116,800,000 A

Good to Know About Chains to Angstroms Conversion

Edmund Gunter invented his chain around 1620 for practical land surveying. Anders Angstrom introduced his unit in 1868 for spectroscopy. These two innovations, separated by 248 years and vastly different fields, have never needed to communicate.

Chains to Angstroms: What You Need to Know

A surveyor's chain stretched end to end contains about 201 billion angstroms. A single silicon atom at 2.2 angstroms would need to be replicated roughly 91 billion times to span one chain. The chain measured English farmland; the angstrom measures crystal lattices. They belong to entirely different eras and fields of measurement.

What is a Chain? ch

Exactly 66 feet or 4 rods (20.1168 m). Invented by Edmund Gunter for land surveying. 80 chains make one mile. Still used in US public land surveys.

Imperial land surveying US public land

Learn more about Chain →

What is a Angstrom? A

One ten-billionth of a meter (0.1 nanometers). Named after Anders Jonas Angstrom. Used in crystallography, spectroscopy, and atomic physics.

Metric crystallography spectroscopy atomic physics

Learn more about Angstrom →

Going the other way? Use our Angstroms to Chains converter.

Chains to Angstroms FAQ

One chain (66 feet / 20.1168 meters) contains approximately 2.012 x 10¹¹ angstroms (about 201 billion). Since 1 meter = 10¹⁰ angstroms, multiply 20.1168 by 10¹⁰.
Multiply the number of chains by 2.012 x 10¹¹. For example, 10 chains (one furlong) = 2.012 x 10¹² angstroms.
No. Chains are a historical land surveying unit. Angstroms measure atoms and molecules. No scientific or surveying application requires converting between them.

Non-Frequently Asked Questions About Chains to Angstroms

Questions nobody should ask - but someone did.

A typical iron chain link contains roughly 10²² iron atoms. A surveyor's chain has 100 links. So a complete Gunter's chain contains about 10²⁴ atoms - roughly the number of stars in the observable universe. Your chain is a universe of iron atoms.