Measurment of Football and specifications of game

Football:
1. Shape of the playfield - Rectangular
2. Length of the play field - 100 to 130 yards
3. Breadth of the playfield - 50 to 100 yards
4. Dimension of the playfield Maximum 110 m * 75 m
in international matches - Minimum 100 m * 64 m
5. Circumference of Football - 27” to 28”
6. Weight of Football - 14 to 16 ounces
7. Number of players - 11+7 (extra) = 18 players, if
16 players than 5 are extra.
8. How many players may be - 3
substituted in a match
9. Duration of matche - Two of 45 minutes each
10. Interval - 5 or 10 minutes
11. No. of Officials - 4(1 referee, 2 linesman, 1 table
official)
12. Height of goalpost - 2.44 m
13. Height of corner flag - 5 feet