I'm doing the same question for my homework.
the answer is : Meters
It depends which property you are measuring.
A metric ruler would be the best bet. Simply measure the length, the width and the height of the box and multiple all three measurements together to find the volume of the box in the unit that you measured the boxes in, cubed.
You would probably measure a keyboard in centimeters (cm).
1.5 centimeters
i would use mm that is te best metric measurment you would use
Metres.
depending on the reasons for measuring, centimetres (gerenal) or millimetres (scientific)
The best metric to measure the length of a hockey stick is typically in inches or centimeters, from the heel of the blade to the top of the shaft. This measurement helps determine the appropriate stick size for a player based on their height and playing style.
Its height (above mean sea level): metres Its length: kilometres - or metres if it is a really short trail.
cm
Meters
centimetre.
grams
litres
Centimetres
the metric system
For a cat I would use centimeters.