19mm
19mm is more precise. 19mm = 1.9cm
19km p/l
19km
19km by road.
there is 19km between hastings and napier
19km per hour
19mm is 0.019 meters.
The river Tillingbourne, stretches approximately 19km.
Well, honey, let me break it down for you. 19mm is more precise than 2cm because 19mm is equivalent to 1.9cm. So, if you want to be all fancy and accurate, go with 19mm. But hey, if you're feeling lazy and just want to round up, then 2cm will do the trick.
The answer will depend on what the tube is made from and how thick its walls are.
San Antonio is 19KM.
1.9 cm