The height of the goalposts is 8 feet!
The majority of football goalposts weigh between 440 to 500 pounds. If they are made out of steel, they can weigh almost 2,000 pounds. They are typically 40 feet in height.
It varies, averaging 3m high.
The goal posts are now 8 yards wide, F.I.F.A increased the size of the goalposts intending to have more goals scored.
When kids are playing football and there isn't a goalpost around jumpers are handy just to use a makeshift goalposts as there isn't anything else to use.
American football field is rectangular of 120 yards long and 53.33 wide with goalposts at both ends.
Professional Football goalposts are 18' 6" wide.
A. Yes I only know one stadium and that is LSU
Yes they have made the goalposts larger to encourage the players to score more goals.
The goalposts and crossbar must be made of wood, metal or other approved material.Source: Football Stadiums: Technical recommendations and requirements - 5th Edition