Inch to Chain Converter
Convert Inch (in) to Chain (ch) instantly. 1 in = 0.001263 ch.
Length Converter
31 units available
1 in = 0.001263 ch
Formula:
ch = in × 0.0012626263With your value: 1 in = 0.00126263 ch
How big is that?
Everyday references on a logarithmic scale, all expressed in inch so you can sanity-check the result.
Other Inch to Chain conversions
Inch to Chain Conversion Table
| Inch (in) | Chain (ch) |
|---|---|
| 0.5 | 0.000631 |
| 1 | 0.001263 |
| 2 | 0.002525 |
| 5 | 0.006313 |
| 10 | 0.012626 |
| 15 | 0.018939 |
| 20 | 0.025253 |
| 25 | 0.031566 |
| 50 | 0.063131 |
| 100 | 0.126263 |
| 250 | 0.315657 |
| 500 | 0.631313 |
| 1000 | 1.262626 |
Chain to Inch Conversion Table
| Chain (ch) | Inch (in) |
|---|---|
| 0.5 | 396 |
| 1 | 792 |
| 2 | 1,584 |
| 5 | 3,960 |
| 10 | 7,920 |
| 15 | 11,880 |
| 20 | 15,840 |
| 25 | 19,800 |
| 50 | 39,600 |
| 100 | 79,200 |
| 250 | 198,000 |
| 500 | 396,000 |
| 1000 | 792,000 |
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.
Inch (in)
Length
1 inch = 25.4 mm exactly, fixed by the 1959 international yard and pound agreement.
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · 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 Inch to Chain
To convert from Inch (in) to Chain (ch), multiply the value by 0.0012626263.
Formula: ch = in × 0.0012626263
Reverse: in = ch × 792
Step-by-Step Example
- Start with your value in Inch. For example: 5 in
- Multiply by the conversion factor: 5 x 0.0012626263
- The result is: 0.006313 ch
About Inch
The inch is an imperial unit equal to 1/12 of a foot or 2.54 centimeters. It is widely used in the US and UK for small measurements.
Fun Fact: The inch was historically defined as the width of a man's thumb.
Common uses: screen sizes, construction, clothing.
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 Inch?
There are exactly 0.0012626263 Chain in 1 Inch. This means the conversion factor from Inch to Chain is 0.0012626263.
What is the formula to convert Inch to Chain?
The formula to convert Inch to Chain is: ch = in × 0.0012626263. For example, to convert 10 Inch to Chain, you would multiply 10 by 0.0012626263.
What is a Inch?
The inch is an imperial unit equal to 1/12 of a foot or 2.54 centimeters. It is widely used in the US and UK for small measurements.
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 Inch?
The Inch is commonly used in screen sizes, construction, clothing.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Inch to Chain converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/inch-to-chain