England
units of length

                 

mile

               

furlong

8

         

chain

10

80

       

 rod, pole, or perch

4

40

320

       

fathom²

11

110

880

       

yard

2

22

220

1760

     

foot

3

6

16½

66

660

5,280

hand¹

3

9

18

49½

198

1,980

15,840

 

palm

1 1/3

4

12

24

66

264

2,640

21,120

inch

3

4

12

36

72

198

792

7,920

63,360

= 2.54
cm

= 7.62
cm

= 10.16
cm

= 30.48
cm

= 0.9144
m

= 1.8288
m

5.029
m

20.117
m

201.17
m

1609.3
m

1. By the 18th century used only to measure the height of horses.

2. Now ordinarily used only for the depth of water.

Metric equivalents up through the fathom are exact, in the US since 1959, in the UK since 1963. Values for larger units are rounded off.

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