Decimeter is 0.1 meter units.
Decimeters to Chains Converter — dm to ch
Convert Decimeter (dm) to Chain (ch) using the exact conversion factor (1 decimeter = 0.0049709695 chain). See the formula, worked examples, and conversion table.
Decimeters to Chains converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A surveyor's chain is 66 feet.
Result = input x 0.1 / 20.1168.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Decimeters to Chains
Decimeter and Chain both measure length. Specifically: Decimeter is 0.1 meter units, and a surveyor's chain is 66 feet.
Formula
chains = decimeters × 0.0049709695379
This factor comes from each unit's defined relationship to the category's base unit: 1 decimeter equals 0.1 base units, and 1 chain equals 20.1168 base units, so dividing one by the other gives the direct decimeter-to-chain factor of 0.0049709695379.
Simple example
1 dm × 0.004970969538 = 0.0049709695 ch
1 decimeter = 0.0049709695 chains.
Real-world example
10 dm × 0.004970969538 = 0.0497096954 ch
10 decimeters = 0.0497096954 chains.
Conversion table
| Decimeter (dm) | Chain (ch) |
|---|---|
| 1 dm | 0.0049709695 ch |
| 5 dm | 0.0248548477 ch |
| 10 dm | 0.0497096954 ch |
| 21.0975 dm | 0.1048750298 ch |
| 42.195 dm | 0.2097500597 ch |
| 100 dm | 0.4970969538 ch |
Reverse conversion: Chain to Decimeter
0.0049709695 ch × 201.168 = 0.9999999924 dm
0.0049709695 chains = 0.9999999924 decimeters.
decimeters = chains × 201.168
For a page dedicated to this direction, see Chain to Decimeter.
Understanding the Decimeter (dm)
Decimeter is 0.1 meter units.
Understanding the Chain (ch)
A surveyor's chain is 66 feet.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many chains are in 1 decimeter?
1 decimeter equals 0.0049709695 chains, using the exact defined conversion factor rather than an estimate.
How do I convert decimeter to chain?
Multiply the decimeter value by 0.004970969538. The converter above does this instantly to whatever precision you set.
How do I convert chain back to decimeter?
Use the reverse factor: 1 chain equals 201.168 decimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a decimeter?
Decimeter (dm) is a unit of length.
What is a chain?
Chain (ch) is a unit of length.
Is the decimeter to chain conversion exact?
Yes. Both decimeter and chain are defined by fixed standards rather than physical artifacts, so the factor of 0.004970969538 used above is exact to as many digits as you choose to display.