Chain to Microinch Converter

Length Converter

31 units available

Decimals:

From

To

792,000,000

1 ch = 792,000,000 µin

Formula:

µin = ch × 792,000,000.0000001

With your value: 1 ch = 792,000,000.0000001 µin

How big is that?

Everyday references on a logarithmic scale, all expressed in chain so you can sanity-check the result.

Standard door height (1/10 your value)0.0994 ch

London double-decker bus (1/1.8 your value)0.547 ch

Your value1.00 ch

Olympic pool (2.5× your value)2.49 ch

Football pitch (length) (5.2× your value)5.22 ch

Eiffel Tower (16× your value)16.4 ch

Other Chain to Microinch conversions

2 ch to µin 3 ch to µin 4 ch to µin 5 ch to µin 6 ch to µin 7 ch to µin 8 ch to µin

Chain to Microinch Conversion Table

Chain (ch)	Microinch (µin)
0.5	396,000,000
1	792,000,000
2	1,584,000,000
5	3,960,000,000.000001
10	7,920,000,000.000001
15	11,880,000,000
20	15,840,000,000.000002
25	19,800,000,000
50	39,600,000,000
100	79,200,000,000
250	198,000,000,000.00003
500	396,000,000,000.00006
1000	792,000,000,000.0001

Microinch to Chain Conversion Table

Microinch (µin)	Chain (ch)
0.5	6.313131e-10
1	1.262626e-9
2	2.525253e-9
5	6.313131e-9
10	1.262626e-8
15	1.893939e-8
20	2.525253e-8
25	3.156566e-8
50	6.313131e-8
100	1.262626e-7
250	3.156566e-7
500	6.313131e-7
1000	1.262626e-6

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

Exact conversion

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

Microinch (µin)

Length

Exact conversion

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 Microinch

To convert from Chain (ch) to Microinch (µin), multiply the value by 792,000,000.0000001.

Formula: µin = ch × 792,000,000.0000001

Reverse: ch = µin × 1.262626e-9

Step-by-Step Example

Start with your value in Chain. For example: 5 ch
Multiply by the conversion factor: 5 x 792,000,000.0000001
The result is: 3,960,000,000.000001 µin

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 Microinch

The microinch (µin) is a unit of distance and length. One microinch equals 2.540000 × 10^-8 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: length calculations, engineering and science, education.

Frequently Asked Questions

How many Microinch are in 1 Chain?

There are exactly 792,000,000.0000001 Microinch in 1 Chain. This means the conversion factor from Chain to Microinch is 792,000,000.0000001.

What is the formula to convert Chain to Microinch?

The formula to convert Chain to Microinch is: µin = ch × 792,000,000.0000001. For example, to convert 10 Chain to Microinch, you would multiply 10 by 792,000,000.0000001.

What is a Chain?