About the Units
chain (ch)
A traditional length unit used in land surveying and agriculture.
millimeter (mm)
A tiny length unit equal to 0.001 meters, used in precision engineering.
Common Conversions
- 1 ch = 20116.84 mm
- 0.000049709597 ch = 1 mm
Convert from chains to millimeters
Conversion Information
To convert from chains to millimeters, multiply by 20116.84
1 ch = 20116.84 mm