1. Metre
He's two metres tall.
He has an advantage at basketball because he's two metres tall.
square metre
After a while Mark noticed a pushchair in a distance of a few metres.
This bear is 8 feet long (2.4 metres)
A metre is 100 centimetres.
The words above the door of the theatre were a metre high.
The power delivered by a one square metre solar panel is approximately one watt. Therefore it is currently difficult to harvest solar energy on a grand scale.