Here's a wrench chart that might be handy to hang or put in your tool box. Send to your printer and cut out.

Return to the Motor Pool

For Other Conversion Charts Check out
Online Conversion

Fraction to Decimal Conversion Chart w/Metric

Standard / Metric Wrench Conversion Chart from 
VIRGINIA's MILITARY Re-Sources©
www.vamilitary.net/army/Motor_Pool

Bolt Size

Wrench Size

Standard

Metric

1/8"

5/16

8 mm

3/16"

3/8

10 mm

1/4"

7/16

11 mm

5/16"

1/2

13 mm

3/8"

9/16

14 mm

7/16"

5/8

16 mm

1/2"

3/4

19 mm

9/16"

13/16

21 mm

5/8"

15/16

24 mm

3/4"

1 1/8

28 mm

7/8"

1 5/16

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1"

1 1/2

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