ruler
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A ruler is not a unit! Most people would use centimetres, though retailers may use millimetres.
The metric unit commonly used to measure height is the meter. So, you would measure the height of Big Ben in meters.
You would use meters.
You would use the metric unit of meters to measure the height of a gallon of milk.
meters
You would use the metric unit of centimeters to measure the height from the floor to the doorknob.
A door is about 2 meters, but most likely you'd measure in centimeters.
Metres (American spelling = meters), unit symbol "m", would be the most appropriate metric unit to measure the height of a 32-story building.
The height of a building is measured in metres.
For measuring the height of a 13-year-old male, the most appropriate metric unit would be centimeters. This unit provides a precise measurement that is commonly used in healthcare settings. It allows for accurate tracking of growth patterns and comparison to standardized growth charts.
While the dog is standing up on all fours, measure from the floor to the top of the shoulder.
Metre to measure its length. Possibly centimetres to measure its height if a garden fence but metres if a security fence.
inches or centimeters, I would use inches.