yards is as long as a football filed
There are 100 yards in football and 4 downs.
A football field across is 53.3 yards.
A football field is 5531.21 square yards.
10 yards in American football; 20 yards in Canadian football.
100 yardsA football field is 100 yards long.100 yards
One football is field 100 yards. So that means ten football fields are 1000 yards.