Full name: chain [Gunter, survey]
Plural form: chains
Symbol: ch
Alternate spelling: Gunter's chain
Category type: length
Scale factor: 20.11684023368
The SI base unit for length is the metre.
1 metre is equal to 0.049709595959596 chain [Gunter, survey].
Valid units must be of the length type.
You can use this form to select from known units: