if you want to find how they measure the fields, i have an answer for you. Since football is and American sport, it is measured in yards and rarely meters, and since soccer is a mexican sport they measure it with meters.
Soccer and football is the same sport witha different name, it is called football in the uk and soccer in the u.s.
a football pitch.
All over the country, wherever there are football/soccer fields.
An average football ground is approx 73460 sq feet. 40 hectares is 4.30556e6 sq feet which means 58.6 or about 60 football fields would fit in.
Unfortunately there is no sport known as sky football. There is American football, which is played differently than European football, which is also known as soccer.
yes all NFL football fields are the same 110 yards long.
Football (Soccer)
The length of the Football/Soccer field for international adult matches is in the range 110-120 yards (100-110 m) and the width is in the range 70-80 yards (64-75 m), while American football fields are 120 yards (109.7 m) long, that's including the 10 yard (9.1m) for the goal area on each side, by 53.3 yards (48.8 m) wide. Soccer/Football fields have more Square Yard play-area than American Football Fields.
Americans call soccer soccer, and football football!
about because 1 kilometer is 1000 meters which is about 1000 yards and each field is 100 yards so 1000 divided by 100 is 10 football fields
soccer = football "a game of soccer" = "a football match"