Chain (ch)
66 Feet, 100 links
4 Rods
20.1168 meters
Furlong
660 Feet
10 Chains
40 Rods
Rod, Perch, Pole
16 1/2 feet
25 Links
1/320th of a mile
Fathom
6ft
Mile
5280 Ft, 1760 Yds, 8 Furlongs
Foot (ft)
12 inches
Inch (in)
3 Barleycorn
Barleycorn
1/3d of a inch, or 4 lines
Hand (hh)
4 Inches (width of hand, with thumb closed)
Often expressed with a decimal, where the number after the decimal is WHOLE INCHES. So 15.2 is 15 hands, two inches.
Cable Length
1/10th of a nautical mile
Roughly 100 Fathoms
Nautical Mile
6076 ft
1852 meters
Span
9 Inches
(From thumb tip to pinky tip of a splayed hand)
Shaftment
6 Inches
(width of palm plus outstretched thumb)
Palm
Three Inches, or four Fingers
Finger, Fingerwidth
3/4”
In cloth: 4 1/2” (length)
Ell
Who the ‘ell knows?
45” was a standard English ell for tailoring, but others existed