The length should measure about 11 inches from tip to tip, and the in circumference at the center of the football should measure about 22 inches.
An official NFL football is slightly larger than high school or other professional leagues. The length should measure about 11 inches from tip to tip, and the in circumference at the center of the football should measure about 22 inches. Similar to other levels of football, the NFL uses an egg-shaped football, but the NFL has specific rules to the size, shape and materials used for the football. The Digest of Rules of the NFL explains the official size requirements for the football, along with other basic rules for playing the game. 1 The field is 360 feet long and 160 feet wide. 2  The end zones are 30 feet deep. 3  The line used in try-for-point plays is two yards out from the goal line. 4  Chain crew members and ball boys must be uniformly identifiable. 1 The hashmarks (inbound lines) are 70 feet, 9 inches from each sideline. 2  Goal posts must be single-standard type, offset from the end line and painted bright gold. 3  The goal posts must be 18 feet, 6 inches wide and the top face of the crossbar must be 10 feet above the ground. © 2015 NFL Enterprises LLC. NFL and the NFL shield design are registered trademarks of the National Football League.The team names, logos and uniform designs are registered trademarks of the teams indicated. All other NFL-related trademarks are trademarks of the National Football League. NFL footage © NFL Production Weight. Overall weight and air pressure are specific in the NFL, too. The football and materials weighs about 14 to 15 oz., and is the ball is inflated to about 12.5 to 13.5 lbs. per square inch. These weight and air pressure measurements create consistency among the many footballs required in a game. Similar to other levels of football, the NFL uses an egg-shaped football, but the NFL has specific rules to the size, shape and materials used for the football. The Digest of Rules of the NFL explains the official size requirements for the football, along with other basic rules for playing the game. Official NFL footballs are by 6.7 to 6.8 inches in diameter and with a length of 11.9 inches. This is defined by: Short Circumference: 20 3/4- 21 1/4 Long Circumference 27 3/4 - 28 1/2'. 29 people found this useful. Confidence votes 3. Balls used in an NCAA-regulated college football game are roughly 10 1/2 to 11 1/2 inches long. The circumference of the longer side of the ball is approximately 28 inches, and the circumference of the shorter part of the ball is about 21 inches. The average is approximately 11.5 inches long by 6.7 inches in diameter NFL Hash marks are the narrowest of all the levels of football play. They measure 70 feet, 9 inches from the sidelines and are 18 feet, 6 inches wide. (same as the width of the goal posts). High School: the width of the hashmarks are 53 feet, 4 inches. High School, College and the NFL all have overall outside dimensions of: Length: 360 feet or 120 yards. Width: 160 feet or 53 1/3 yards. End Zone: NFL enzones are10 yard deep. According to www.coldhardfootballfacts.com: The length of the NFL game ball is 10 7/8 to 11 7/16 inches from tip to tip. The circumference is 27¾ to 28½ inches if you measure along the laces. The circumference is 20¾ to 21¼ around the fat side of the ball, measuring perpendicular to the laces.. Or a jounior size ball is smaller.  1 A player with the ball in his possession scores a touchdown when the ball is on, above, or over the goal line. 2  The field is rimmed by a white border, six feet wide, along the sidelines. 3  All of this is out of bounds. 4  The hashmarks (inbound lines) are 70 feet, 9 inches from each sideline. 1 The hashmarks (inbound lines) are 70 feet, 9 inches from each sideline. 2  Goal posts must be single-standard type, offset from the end line and painted bright gold. 3  The goal posts must be 18 feet, 6 inches wide and the top face of the crossbar must be 10 feet above the ground.
http://www.livestrong.com/article/361972-what-is-the-official-size-of-the-nfl-football/ http://www.nfl.com/rulebook/field http://www.nfl.com/ http://www.livestrong.com/article/361972-what-is-the-official-size-of-the-nfl-football/ http://www.answers.com/Q/What_is_the_official_size_of_an_NCAA_football http://www.sportsknowhow.com/football/field-dimensions/nfl-football-field-dimensions.html http://www.answers.com/Q/How_big_is_an_NFL_football http://www.nfl.com/rulebook/field
how big is an official nfl football