20 Mile to Chain
Quick answer
20 Mile (mi) equals
1,600 ch
To convert 20 Miles to Chains, multiply by 80. Therefore, 20 Mile (mi) equals 1,600 Chain (ch).
Formula: ch = mi × 80. Calculation: 20 × 80 = 1,600 ch.
Convert Mile (mi) to Chain (ch) online with our free unit converter. In length, 1 mi = 80 ch. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Mile to Chain
- Step 1 — start with the formula. ch = mi × 80
- Step 2 — substitute your figure. 20 mi × 80
- Step 3 — read the result. 20 mi = 1,600 ch
- Step 4 — check it in reverse. mi = ch × 0.0125 returns Invalid mi, which matches the figure you started with.
Length Converter
31 units available
20 mi = 1,600 ch
Formula:
ch = mi × 80With your value: 20 mi = 1,600 ch
How big is that?
Everyday references on a logarithmic scale, all expressed in mile so you can sanity-check the result.
Other Mile to Chain conversions
Mile to Chain Conversion Table
| Mile (mi) | Chain (ch) |
|---|---|
| 0.5 | 40 |
| 1 | 80 |
| 2 | 160 |
| 5 | 400 |
| 10 | 800 |
| 15 | 1,200 |
| 20 | 1,600 |
| 25 | 2,000 |
| 50 | 4,000 |
| 100 | 8,000 |
| 250 | 20,000 |
| 500 | 40,000 |
| 1000 | 80,000 |
Chain to Mile Conversion Table
| Chain (ch) | Mile (mi) |
|---|---|
| 0.5 | 0.00625 |
| 1 | 0.0125 |
| 2 | 0.025 |
| 5 | 0.0625 |
| 10 | 0.125 |
| 15 | 0.1875 |
| 20 | 0.25 |
| 25 | 0.3125 |
| 50 | 0.625 |
| 100 | 1.25 |
| 250 | 3.125 |
| 500 | 6.25 |
| 1000 | 12.5 |
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.
Mile (mi)
Length
1 statute mile = 1760 international yards = 1609.344 m exactly.
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 Mile to Chain
To convert from Mile (mi) to Chain (ch), multiply the value by 80.
Formula: ch = mi × 80
Reverse: mi = ch × 0.0125
Step-by-Step Example
- Start with your value in Mile. For example: 5 mi
- Multiply by the conversion factor: 5 x 80
- The result is: 400 ch
Mile and Chain Relationship
This calculation facilitates standardized conversion between recognized units of length. Since 1 Mile equals approximately 80 Chains, the Mile represents a larger unit interval than the Chain. Understanding the relationship between Mile and Chain is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Mile
The mile is an imperial unit of length equal to 5,280 feet or 1,609.344 meters. It is primarily used in the United States, United Kingdom, and a few other countries.
Fun Fact: The word "mile" comes from the Latin "mille passus" meaning 1,000 paces.
Common uses of Mile: road distances (US/UK), running, aviation.
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.
Frequently Asked Questions
- What is 20 Mile in Chain?
- 20 Mile equals 1,600 Chain.
- How many Chains are in 1 Mile?
- There are exactly 80 Chains in 1 Mile. This means the conversion factor from Mile to Chain is 80.
- What is the formula to convert Mile to Chain?
- The formula to convert Mile to Chain is: ch = mi × 80. For example, to convert 10 Miles to Chains, you would multiply 10 by 80.
- What is a Mile?
- The mile is an imperial unit of length equal to 5,280 feet or 1,609.344 meters. It is primarily used in the United States, United Kingdom, and a few other countries.
- 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 Mile?
- The Mile is commonly used in road distances (US/UK), running, aviation.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). 20 Mile to Chain. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/20-mile-to-chain