A door is about 2 meters, but most likely you'd measure in centimeters.
use the metric unit "meter" to measure the height of the door, probably it will measure two meters.
meters
cm,mm,m
meters
While the dog is standing up on all fours, measure from the floor to the top of the shoulder.
I would use Meters
ml stands for milliliters which is a measure of volume, not height. The metric system is easy to convert between. If you meant 100 mm . . . that would be the same as .1 meters OR 1 decimeter OR 10 centimeters. The question is also whether you are wanting to convert your measurement into English units from metric. If you meant to type 100 millimeters, you would have a distance of 4 inches or 1/3 of a foot.
The fundic height (in centimeters) actually corresponds to the age of gestation in weeks. This is true within 16-32 weeks of pregnancy. So if you're 18 weeks preganant, you're fundic height would measure approximately 18 cm. If you're 19 weeks preganant, you're fundic height would measure approximately 19 cm and so on.
kilometre
You would use meters.
meeters?
Feet.
Weight and/or height
What metric unit would you use to measure a computer keyboard
meters
Volume is measure as width times height by depth no matter the system you're using. The metric system would just define the type of measurement you would use, such as liters instead of gallons.
Kilometers
the metric system
Milligrams
Kilometres