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Standard/Metric conversion chart


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Posted

If you're good at losing sockets like me, sometimes you need to know what else might fit. I keep this handy in my toolbox and need it once in a while:lol:

 

[TABLE=width: 277]

[TR]

[TD]Standard

[/TD]

[TD]Metric(mm)

[/TD]

[TD](if within .05mm)

[/TD]

[/TR]

[TR]

[TD]1/32

[/TD]

[TD]0.79375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]1

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1/16

[/TD]

[TD]1.5875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]2

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]3/32

[/TD]

[TD]2.38125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]3

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1/8

[/TD]

[TD]3.175

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]5/32

[/TD]

[TD]3.96875

[/TD]

[TD](4)

[/TD]

[/TR]

[TR]

[TD]3/16

[/TD]

[TD]4.7625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]5

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]7/32

[/TD]

[TD]5.55625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]6

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1/4

[/TD]

[TD]6.35

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]7

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]9/32

[/TD]

[TD]7.14375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]5/16

[/TD]

[TD]7.9375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]8

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]11/32

[/TD]

[TD]8.73125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]9

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]3/8

[/TD]

[TD]9.525

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]10

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]13/32

[/TD]

[TD]10.31875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]11

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]7/16

[/TD]

[TD]11.1125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]15/32

[/TD]

[TD]11.90625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]12

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1/2

[/TD]

[TD]12.7

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]13

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]17/32

[/TD]

[TD]13.49375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]14

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]9/16

[/TD]

[TD]14.2875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]15

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]19/32

[/TD]

[TD]15.08125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]5/8

[/TD]

[TD]15.875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]16

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]21/32

[/TD]

[TD]16.66875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]17

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]11/16

[/TD]

[TD]17.4625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]18

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]23/32

[/TD]

[TD]18.25625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]3/4

[/TD]

[TD]19.05

[/TD]

[TD](19)

[/TD]

[/TR]

[TR]

[TD]25/32

[/TD]

[TD]19.84375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]20

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]13/16

[/TD]

[TD]20.6375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]21

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]27/32

[/TD]

[TD]21.43125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]22

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]7/8

[/TD]

[TD]22.225

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]29/32

[/TD]

[TD]23.01875

[/TD]

[TD](23)

[/TD]

[/TR]

[TR]

[TD]15/16

[/TD]

[TD]23.8125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]24

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]31/32

[/TD]

[TD]24.60625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]25

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1

[/TD]

[TD]25.4

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]26

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 1/32

[/TD]

[TD]26.19375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 1/16

[/TD]

[TD]26.9875

[/TD]

[TD](27)

[/TD]

[/TR]

[TR]

[TD]1 3/32

[/TD]

[TD]27.78125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]28

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 1/8

[/TD]

[TD]28.575

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]29

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 5/32

[/TD]

[TD]29.36875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]30

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 3/16

[/TD]

[TD]30.1625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 7/32

[/TD]

[TD]30.95625

[/TD]

[TD](31)

[/TD]

[/TR]

[TR]

[TD]1 1/4

[/TD]

[TD]31.75

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]32

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 9/32

[/TD]

[TD]32.54375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]33

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 5/16

[/TD]

[TD]33.3375

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]34

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 11/32

[/TD]

[TD]34.13125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 3/8

[/TD]

[TD]34.925

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]35

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 13/32

[/TD]

[TD]35.71875

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]36

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 7/16

[/TD]

[TD]36.5125

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]37

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 15/32

[/TD]

[TD]37.30625

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD][/TD]

[TD]38

[/TD]

[TD][/TD]

[/TR]

[TR]

[TD]1 1/2

[/TD]

[TD]38.1

[/TD]

[TD][/TD]

[/TR]

[/TABLE]

Posted

That list is going in my toolbox as well. Thanks!

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