Microinch to Chain Converter
Convert Microinch (µin) to Chain (ch) instantly. 1 µin = 1.262626e-9 ch.
Length Converter
31 units available
1 µin = 1.262626e-9 ch
Formula:
ch = µin × 1.262626e-9With your value: 1 µin = 1.262626e-9 ch
How big is that?
Everyday references on a logarithmic scale, all expressed in microinch so you can sanity-check the result.
Other Microinch to Chain conversions
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 |
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 |
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.
Microinch (µin)
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
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
How to Convert Microinch to Chain
To convert from Microinch (µin) to Chain (ch), multiply the value by 1.262626e-9.
Formula: ch = µin × 1.262626e-9
Reverse: µin = ch × 792,000,000.0000001
Step-by-Step Example
- Start with your value in Microinch. For example: 5 µin
- Multiply by the conversion factor: 5 x 1.262626e-9
- The result is: 6.313131e-9 ch
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.
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.
Frequently Asked Questions
How many Chain are in 1 Microinch?
There are exactly 1.262626e-9 Chain in 1 Microinch. This means the conversion factor from Microinch to Chain is 1.262626e-9.
What is the formula to convert Microinch to Chain?
The formula to convert Microinch to Chain is: ch = µin × 1.262626e-9. For example, to convert 10 Microinch to Chain, you would multiply 10 by 1.262626e-9.
What is a 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.
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 are the common uses of Microinch?
The Microinch is commonly used in length calculations, engineering and science, education.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Microinch to Chain converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/microinch-to-chain