"40 yd line."
Wrong - it is the 30 yard line now. HS still uses the 40 but college went to the 30 in 2007.
In football, the kick off positions used in a game are the 35-yard line for college football and the 30-yard line for professional football. The team kicking off can choose to kick the ball from the ground or use a kicking tee.
Fifty yards. It extends from 25-yard line to 25-yard line. (NCAA Rules and Interpretations: Rule 1.2.4a)
The 20 yard line
40 yard line
In US professional football (NFL) , the ball is spotted at the 2-yard line, the same location as the line of scrimmage for a kicked extra point (which actually travels 15 yards, from near the 5 yard line to the goalposts). The NCAA (college football) places it at the 3-yard line. Canadian football places the ball at the 5-yard line.
The 50 yard line.
Where the kick returner is standing.
The ball is teed-up at the 40-yard line of the kicking team.
The red zone in football begins at the opponent's 20-yard line.
The ball is placed at the 2 yard line in the NFL and the 3 yard line in college football.
The kickoff is from the kicking team's 30 yard line making the kickoff travel 70 yards to reach the end zone.
It depends on the league and level of football, but in the NFL, the football is normally placed on the 2 yard line for both a point-after kick or a 2-point conversion attempt. In high school, it's placed on the 3 yard line. CFL rules put it on the 5 yard line.