It would be normal to use either meters or feet, but you can use any unit for length (inches, cm, mm, km, etc.)
Kilograms.
miles or kilomiters
A metres, for an approximate measure, a centimetre for a more accurate measure.
I would use a centimetre to measure the length of a boy. Not sure what a boy yard is, though.
It would be normal to use either meters or feet, but you can use any unit for length (inches, cm, mm, km, etc.)
Kilograms.
You could measure the length of a lunchroom in feet or meters, depending on which unit of measurement you prefer to use.
tons
Inches
cm
The ISO length unit to use would be the cementer.
I would use feet
You would use meters.
a cm
You would use the SI unit meter (m) to measure the length of a DVD case.
miles or kilomiters