Length and Height units

Use the following table to convert among various units. To convert from the units in a column to the units in a row, divide by the conversion factor. To convert from the units in a row to the units in a column, multiply by the conversion factor. Four significant figures are shown. Only half the table is provided to avoid round-off errors.

 

 

mm

cm

inch

feet

yard

meter

chain

km

mile

mm

1

 

 

 

 

 

 

 

 

cm

10.00

1

 

 

 

 

 

 

 

inch

25.40

2.540

1

 

 

 

 

 

 

feet

304.8

30.48

12

1

 

 

 

 

 

yard

914.4

91.44

36

3

1

 

 

 

 

meter

1000

100

39.37

3.281

1.094

1

 

 

 

chain

 

2012

792.0

66

22

20.12

1

 

 

km

 

 

 

3281

1094

1000

49.71

1

 

mile

 

 

 

5280

1760

1609

80

1.609

1

Examples: multiply 10 m by 3.281 to get 33 feet; divide 10 km by 1.609 to get 6.2 miles.

 

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