Chain to Kilometer Converter
Convert Chain (ch) to Kilometer (km) instantly. 1 ch = 0.020117 km.
Length Converter
31 units available
1 ch = 0.020117 km
Formula:
km = ch × 0.0201168With your value: 1 ch = 0.0201168 km
How big is that?
Everyday references on a logarithmic scale, all expressed in chain so you can sanity-check the result.
Other Chain to Kilometer conversions
Chain to Kilometer Conversion Table
| Chain (ch) | Kilometer (km) |
|---|---|
| 0.5 | 0.010058 |
| 1 | 0.020117 |
| 2 | 0.040234 |
| 5 | 0.100584 |
| 10 | 0.201168 |
| 15 | 0.301752 |
| 20 | 0.402336 |
| 25 | 0.50292 |
| 50 | 1.00584 |
| 100 | 2.01168 |
| 250 | 5.0292 |
| 500 | 10.0584 |
| 1000 | 20.1168 |
Kilometer to Chain Conversion Table
| Kilometer (km) | Chain (ch) |
|---|---|
| 0.5 | 24.854848 |
| 1 | 49.709695 |
| 2 | 99.419391 |
| 5 | 248.548477 |
| 10 | 497.096954 |
| 15 | 745.645431 |
| 20 | 994.193908 |
| 25 | 1,242.742384 |
| 50 | 2,485.484769 |
| 100 | 4,970.969538 |
| 250 | 12,427.423845 |
| 500 | 24,854.847689 |
| 1000 | 49,709.695379 |
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
Kilometer (km)
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 Kilometer
To convert from Chain (ch) to Kilometer (km), multiply the value by 0.0201168.
Formula: km = ch × 0.0201168
Reverse: ch = km × 49.709695379
Step-by-Step Example
- Start with your value in Chain. For example: 5 ch
- Multiply by the conversion factor: 5 x 0.0201168
- The result is: 0.100584 km
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 Kilometer
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
Fun Fact: The circumference of Earth is approximately 40,075 km.
Common uses: road distances, geography, running.
Frequently Asked Questions
How many Kilometer are in 1 Chain?
There are exactly 0.0201168 Kilometer in 1 Chain. This means the conversion factor from Chain to Kilometer is 0.0201168.
What is the formula to convert Chain to Kilometer?
The formula to convert Chain to Kilometer is: km = ch × 0.0201168. For example, to convert 10 Chain to Kilometer, you would multiply 10 by 0.0201168.
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 Kilometer?
The kilometer equals 1,000 meters and is the standard unit for measuring distances between geographical locations in most countries.
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). Chain to Kilometer converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/chain-to-kilometer