Length
- British Length
- 1 hand = 4 inches
- 1 foot = 12 inches
- 1 yard = 3 feet
- 1 rod = 5.5 yards
- 1 furlong = 40 rods
- 1 mile = 5280 feet
- 1 mile = 1760 yards
- 1 mile = 80 chains
- 1 mile = 8 furlongs
- 1 league = 3 miles
- 1 link = 7.92 inches
- 1 rod = 25 links
- 1 chain = 100 links
- 1 chain = 66 feet
- 1 chain = 22 yards
- 1 chain = 4 rods
- 1 furlong = 10 chains
- U.S. Length
- 1 foot = 12 inches
- 1 yard = 3 feet
- 1 rod = 5.5 yards
- 1 mile = 320 rods
- Nautical
- 1 fathom = 6 feet
- 1 shackle = 15 fathoms
- 1 cable = 608 feet
- 1 nautical mile = 10 cables
- 1 nautical mile = 6080 feet
- Metric
- 1 kilometre = 10 hectometres
- 1 hectometre = 10 dekametres
- 1 dekametre = 10 metres
- 1 metre = 10 decimetres
- 1 decimetre = 10 centimetres
- 1 centimetre = 10 millimetres