By unit of length and distance and conversion ,we can say that
1 mm=0.1 cm
19 mm =1.9 cm
19mm x 19mm square tubing of what ? Aluminium, Steel ? also depends on the length.........
19mm
9x19mm is a caliber of a popular pistol cartridge, also known as 9mm Luger and 9mm Parabellum. 9mm is the diameter of the bullet and 19mm is the length of the cartridge case.
By unit of length and distance and conversion ,we can say that 1 mm =0.03930 in 19 mm=0.74 in
19mm is 0.019 meters.
It is a caliber of ammunition. It means the bullet diameter is 9mm and the length of the case is roughly 19mm. Its normally just called 9mm.
The answer will depend on what the tube is made from and how thick its walls are.
19mm is more precise. 19mm = 1.9cm
Pre-1982 Lincoln cents weigh 3.11 grams and have a diameter of 19mm, 1982 to date weigh 2.5 grams with the same diameter.
1.9 cm
To convert millimetres to centimetres you divide by 10.
1m3 of 19mm stone = 1.36 tonne