There are 10mm in 1cm so, 22mm = 2.2cm
An olive is a compression fitting used in plumbing. you would use a 22mm olive. you would use t in conjunction with a 22mm compresion fitting Before you use a 22mm olive make sure the pipe you are using the 22m fitting on IS 22mm and NOT 3/4. If it is 3/4 then you need a 3/4 olive from your merchants but they fit inside a 22mm compression fitting.
2.2 cm
0,86 inches
22mm diameter deformed bars unit weight kilogram per meter
6 cm
0.8661 inch
22mm = 2.2cm
A 22mm button is approximately 0.87 inches in diameter, since 1 inch equals 25.4mm. To convert millimeters to inches, you divide the millimeter measurement by 25.4. Therefore, 22mm divided by 25.4 gives you about 0.866 inches.
I would find it difficult to find out what type of gun you have.
19mm or 22mm
15 to 22mm for RWD