yards or meters
metres
a centimeter
Kilometers
Its height (above mean sea level): metres Its length: kilometres - or metres if it is a really short trail.
You can measure any object you like using tonnes, however, unless the object is a massive one like an Elephant or a Bus, there is likely to be lots of zeros after (or before) a decimal point which would make it not a very sensible unit to measure the mass of the object.
in tons.
metres
Feet.
A millimetre.
Centimetres.
Metres.
To measure weight you would use Kg To measure height length or girth you would use metres
You would use meters.
I would use meters.
Metre
meters
Feet