Conversion Metric & Imperial

  • Correspondance pour forets (entre métrique et impérial) ?

    • Drill bit size http://www.bmotorsports.com/faq/drill-bit-sizes-conversion/

    • Voir également les annexes du catalogue Car Builder Solution

If you have the inches, and need to know the millimeters:

In order of increasing size...

1/16 inch = almost 2mm

1/8 inch = just barely over 3mm

1/4 inch = just barely over 6mm

5/16 inch = 8mm

3/8 inch = almost 10mm

1/2 inch = almost 13mm

5/8 inch = 16mm

3/4 inch = 19mm

7/8 inch = just barely over 22mm

1 inch = 25.4mm

If you have the millimeters, and need to know the inches:

1mm = just over 1/32 inch

2mm = just over 1/16 inch

3mm = almost 1/8 inch

4mm = 5/32 inch (= a bit over 1/8 inch)

5mm = just over 3/16 inch

6mm = almost 1/4 inch

7mm = almost 9/32 inch (= a bit over 1/4 inch)

8mm = 5/16 inch

9mm = almost 3/8 inch

10mm = just over 3/8 inch

11mm = almost 7/16 inch

12mm = almost 15/32 inch (= almost 1/2 inch)

13mm = just over 1/2 inch

14mm = almost 9/16 inch

15mm = almost 19/32 inch

16mm = 5/8 inch

17mm = almost 11/16 inch

18mm = just over 11/16 inch

19mm = 3/4 inch

20mm = 25/32 inch

21mm = just over 13/16 inch

22mm = almost 7/8 inch

23mm = 29/32 inch

24mm = just over 15/16 inch

25mm = almost 1 inch