MM to Inches (all measurements are approximate)

mm

inches (approximate)

1 mm

1/32"

2 mm

1/16"

3 mm

3/32"

4 mm

1/8"

5 mm

3/16"

6 mm

just under 1/4"

7 mm

just over 1/4"

8 mm

5/16"

9 mm

just under 3/8"

10 mm

just over 3/8"

11 mm

7/16"

12 mm

just under 1/2"

13 mm

just over 1/2"

14 mm

9/16"

15 mm

just under 5/8"

16 mm

5/8"

17 mm

just under 11/16"

18 mm

just under 3/4"