20 Chain to Mil/Thou
Quick answer
20 Chain (ch) equals
15,840,000 mil
To convert 20 Chains to Mil/Thous, multiply by 792,000. Therefore, 20 Chain (ch) equals 15,840,000 Mil/Thou (mil).
Formula: mil = ch × 792,000. Calculation: 20 × 792,000 = 15,840,000 mil.
Convert Chain (ch) to Mil/Thou (mil) online with our free unit converter. In length, 1 ch = 792,000 mil. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Chain to Mil/Thou
- Step 1 — start with the formula. mil = ch × 792,000
- Step 2 — substitute your figure. 20 ch × 792,000
- Step 3 — read the result. 20 ch = 15,840,000 mil
- Step 4 — check it in reverse. ch = mil × 0.0000012626 returns Invalid ch, which matches the figure you started with.
Length Converter
31 units available
20 ch = 15,840,000 mil
Formula:
mil = ch × 792,000With your value: 20 ch = 15,840,000 mil
How big is that?
Everyday references on a logarithmic scale, all expressed in chain so you can sanity-check the result.
Other Chain to Mil/Thou conversions
Chain to Mil/Thou Conversion Table
| Chain (ch) | Mil/Thou (mil) |
|---|---|
| 0.5 | 396,000 |
| 1 | 792,000 |
| 2 | 1,584,000 |
| 5 | 3,960,000 |
| 10 | 7,920,000 |
| 15 | 11,880,000 |
| 20 | 15,840,000 |
| 25 | 19,800,000 |
| 50 | 39,600,000 |
| 100 | 79,200,000 |
| 250 | 198,000,000 |
| 500 | 396,000,000 |
| 1000 | 792,000,000 |
Mil/Thou to Chain Conversion Table
| Mil/Thou (mil) | Chain (ch) |
|---|---|
| 0.5 | 6.313131e-7 |
| 1 | 1.262626e-6 |
| 2 | 2.525253e-6 |
| 5 | 6.313131e-6 |
| 10 | 1.262626e-5 |
| 15 | 1.893939e-5 |
| 20 | 2.525253e-5 |
| 25 | 3.156566e-5 |
| 50 | 6.313131e-5 |
| 100 | 0.000126 |
| 250 | 0.000316 |
| 500 | 0.000631 |
| 1000 | 0.001263 |
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
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
Mil/Thou (mil)
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 Chain to Mil/Thou
To convert from Chain (ch) to Mil/Thou (mil), multiply the value by 792,000.
Formula: mil = ch × 792,000
Reverse: ch = mil × 0.0000012626
Step-by-Step Example
- Start with your value in Chain. For example: 5 ch
- Multiply by the conversion factor: 5 x 792,000
- The result is: 3,960,000 mil
Chain and Mil/Thou Relationship
This calculation facilitates standardized conversion between recognized units of length. Since 1 Chain equals approximately 7.920e+5 Mil/Thous, the Chain represents a larger unit interval than the Mil/Thou. Understanding the relationship between Chain and Mil/Thou is essential for accurate calculations in physics, engineering, commerce, and daily applications.
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 of Chain: land surveying, cadastral records, cricket pitch length.
About Mil/Thou
A mil (or thou) is one thousandth of an inch, 25.4 micrometres. US manufacturing uses it for sheet, film and coating thickness.
Common uses of Mil/Thou: plastic film, PCB traces, coating thickness.
Frequently Asked Questions
- What is 20 Chain in Mil/Thou?
- 20 Chain equals 15,840,000 Mil/Thou.
- How many Mil/Thous are in 1 Chain?
- There are exactly 792,000 Mil/Thous in 1 Chain. This means the conversion factor from Chain to Mil/Thou is 792,000.
- What is the formula to convert Chain to Mil/Thou?
- The formula to convert Chain to Mil/Thou is: mil = ch × 792,000. For example, to convert 10 Chains to Mil/Thous, you would multiply 10 by 792,000.
- 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 is a Mil/Thou?
- A mil (or thou) is one thousandth of an inch, 25.4 micrometres. US manufacturing uses it for sheet, film and coating thickness.
- What are the common uses of Chain?
- The Chain is commonly used in land surveying, cadastral records, cricket pitch length.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). 20 Chain to Mil/Thou. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/20-chain-to-mil