Old Linear Measure

1 inch 3 barleycorns
1 hand 4 inches
1 link 7.92 inches
1 span 9 inches
1 fathom 6 feet
1 cable length 100 fathoms
1 chain 22 yards
1 chain 100 links
1 furlong 10 chains
1 league 3 miles
1 nautical mile

6080 feet