How many micrometers are in 1 chain?

One chain contains exactly 20,116,800 micrometers (about 20.1 million). Since 1 chain = 20.1168 meters and 1 meter = 1,000,000 micrometers, multiply.

How do I convert chains to micrometers?

Multiply the number of chains by 20,116,800. For example, 0.5 chains = 10,058,400 micrometers.

Is this conversion ever practical?

No. Chains measure land parcels. Micrometers measure cells and chip features. They never meet in any real application.

Chains to Micrometers (ch to μm) Converter

1 ch = 20,116,800 μm

1 Chain equals 20,116,800 Micrometers (1 ch = 20,116,800 μm). Convert Chains to Micrometers with formula, table, and examples.

One chain equals exactly 20,116,800 micrometers (about 20.1 million micrometers). The chain (66 feet / 20.12 m) is an enormous distance at the micrometer scale used for cells, bacteria, and semiconductor features. These units are separated by 7 orders of magnitude.

How to Convert Chains to Micrometers

μm = ch × 20,116,800.0000000037

Multiply the value in Chains by 20,116,800.0000000037

Take your value in Chains
Multiply by 20,116,800.0000000037
Read the result in Micrometers

Common Chains to Micrometers Conversions

Chains (ch)	Micrometers (μm)	Status
1 × 10⁻⁷ ch	2.0117 μm
0.000001 ch	20.1168 μm
0.00001 ch	201.168 μm
0.0001 ch	2,011.68 μm
0.001 ch	20,116.8 μm
0.01 ch	201,168 μm
0.1 ch	2,011,680 μm
0.5 ch	10,058,400 μm
1 ch	20,116,800 μm
5 ch	100,584,000 μm
10 ch	201,168,000 μm

Good to Know About Chains to Micrometers Conversion

Micrometers define the world of biology (cells at 1-100 micrometers) and semiconductors (features at 0.003-1 micrometers). Chains defined the world of English farming (fields measured in chains and furlongs). Same physical quantity, incompatible scales.

Chains to Micrometers: What You Need to Know

A cricket pitch (1 chain) is about 20.1 million micrometers long. A red blood cell (7 micrometers) is 3.48 x 10^-7 chains across. A human hair (75 micrometers) is 3.73 x 10^-6 chains wide. These comparisons show the vast gap between land surveying and cellular 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 Micrometer? μm

One millionth of a meter, also called a micron. Used in biology for cell sizes, in engineering for surface finishes, and in manufacturing tolerances.

Metric biology manufacturing engineering tolerances

Learn more about Micrometer →

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

Chains to Micrometers FAQ

One chain contains exactly 20,116,800 micrometers (about 20.1 million). Since 1 chain = 20.1168 meters and 1 meter = 1,000,000 micrometers, multiply.
Multiply the number of chains by 20,116,800. For example, 0.5 chains = 10,058,400 micrometers.
No. Chains measure land parcels. Micrometers measure cells and chip features. They never meet in any real application.

Non-Frequently Asked Questions About Chains to Micrometers

Questions nobody should ask - but someone did.

A chain is about 2.012 x 10¹⁰ micrometers. A typical bacterium is 1-5 micrometers. So about 4-20 billion bacteria could line up across one chain. Gunter's chain was probably home to quite a few after a day in muddy fields.
Only in soil science, where the land being surveyed (in chains) contains microorganisms measured in micrometers. The dirt under a surveyor's boots contains more biological complexity per micrometer than the field has per chain.
A typical old surveying chain link was about 5 mm thick, or 5,000 micrometers. So the chain that measures 20 million micrometers of distance is made of wire that is 5,000 micrometers thick. The tool is 4,000 times thinner than what it measures.