How many chains is 1 micrometer?

One micrometer equals approximately 4.971 x 10-8 chains (about 1/20 millionth of a chain).

How many micrometers are in 1 chain?

One chain contains approximately 20,116,800 um (about 20.1 million).

Is this conversion used?

Never. Microscopy and land surveying exist in completely different measurement domains.

Micrometers to Chains (μm to ch) Converter

1 μm = 4.97097 × 10⁻⁸ ch

1 Micrometer equals 4.97097 × 10⁻⁸ Chains (1 μm = 4.97097 × 10⁻⁸ ch). Convert Micrometers to Chains with formula, table, and examples.

One micrometer equals approximately 4.971 x 10^-8 chains. A chain (66 feet / 20,116,800 um) contains about 20.1 million micrometers. The micrometer measures cells; the chain measures English land parcels. They have never interacted.

How to Convert Micrometers to Chains

ch = μm ÷ 20,116,800

Divide the value in Micrometers by 20,116,800

Take your value in Micrometers
Divide by 20,116,800
Read the result in Chains

Common Micrometers to Chains Conversions

Micrometers (μm)	Chains (ch)	Status
1 μm	4.97097 × 10⁻⁸ ch
100 μm	0.000005 ch
10,000 μm	0.0005 ch
100,000 μm	0.005 ch
1,000,000 μm	0.0497 ch
10,000,000 μm	0.4971 ch
20,116,800 μm	1 ch
100,000,000 μm	4.971 ch
1,000,000,000 μm	49.7097 ch

Good to Know About Micrometers to Chains Conversion

The micrometer was born from microscopy in the 19th century. The chain was born from land surveying in the 17th century. They represent different eras, different professions, and different scales. Their only connection is that both are human attempts to measure the physical world.

Micrometers to Chains: What You Need to Know

A chain is about 20.1 million micrometers. A bacterium (2 um) is about 10^-7 chains. A cricket pitch (1 chain) contains about 20 million micrometer-lengths. These units occupy completely different scales.

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 →

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 →

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

Micrometers to Chains FAQ

One micrometer equals approximately 4.971 x 10^-8 chains (about 1/20 millionth of a chain).
One chain contains approximately 20,116,800 um (about 20.1 million).
Never. Microscopy and land surveying exist in completely different measurement domains.

Non-Frequently Asked Questions About Micrometers to Chains

Questions nobody should ask - but someone did.

A cricket pitch is 1 chain = 20.1 million um long and about 3 m (3 million um) wide. At 2 um per bacterium, about 10 million bacteria fit lengthwise and 1.5 million widthwise. That is about 15 trillion bacteria covering the pitch surface. Cricket pitches are not sterile.
A microscope measures in micrometers. A chain measures in feet. Using a microscope to survey a field would be like using a teaspoon to measure the ocean: technically possible, practically insane, and you would die of old age before finishing.
Protective paint on metal is typically 50-100 um thick. A chain link is about 8 mm (8,000 um) in diameter. The paint is about 1-1.25% of the link's thickness. The chain's protection is microscopically thin compared to what it protects.