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How much does a football weigh in kg?
Per National Football League official rules, an American football must weigh between 0.396893323750 kilograms and 0.4252428468750 kilograms.
What is the weight of a football in grams?
Traditionally made of brown leather, modern footballs are manufactured in a variety of colours and patterns. A regulation football is 28–30 cm (11–12 in) long and 58–62 cm (23–24 in) in circumference at its widest point. It weighs 410–460 g (14–16 oz) and is inflated to 65.7–68.8 kPa (9.5–10.0 psi).
How much is a gram football?
Standard Soccer Ball Specification
| Numeric Value | Ball Type | Weight of Football |
|---|---|---|
| Ball Size 2 | Training | 210 – 280 grams |
| Ball Size 3 | Junior | 300 – 320 grams |
| Ball Size 4 | Youth | 359 – 390 grams |
| Ball Size 5 | Adult | 410 – 450 grams |
How much does a soccer ball weigh in kg?
“A soccer ball of mass 0.43 kg leaves the foot of the kicker with an initial speed of 25 m/s.”
What is the official football size?
size 5
The size of a football is roughly 22 cm (8.66 inches) in diameter for a regulation size 5 ball. Rules state that a size 5 ball must be 68 to 70 cm (27 to 28 in) in circumference.
What size of football should I buy?
What Size Football Should I Buy?
| Age | Football Size |
|---|---|
| Ages 9 and under | Pee-Wee Size 5 |
| Ages 10-12 | Junior Size 6 |
| Ages 12-14 | Intermediate/Youth Size 7 |
| Ages 14 & up | Official Size 9 |
Does women’s football use a lighter ball?
The pearly pink, flower-adorned orb, called The Good Luck Ball, has been “developed to match the needs of female football players,” reports Style.com. The ball, designed by Danish fashion brand Ganni, “reduces the risk of injuries when kicked, and the weight is lighter, making the game easier and more fun.”
How much do soccer balls weigh?
Regulation size and weight for a soccer ball is a circumference of 68–70 cm (27–28 in) and a weight of between 410–450 g (14–16 oz). The ball should be inflated to a pressure of 0.6 and 1.1 bars (8.7 and 16.0 psi) at sea level. This is known as “Size 5”. Smaller balls, sizes 1, 3 and 4 are also produced.
What’s the weight of a ball?
Sport Ball Weights, Sorted from Lightest to Heaviest
| sport | weight (ounces) | weight (grams) |
|---|---|---|
| Pool | 5.5 to 6.0 | 156 and 170 |
| Softball (slowtpitch) | 5.875 to 6.125 | 166.6–173.6 |
| Softball (fastpitch) | 6.25 to 7.0 | 178 to 198.4 |
| Volleyball | 9.2 to 9.9 | 260 to 280 |
How big is the weight of a football?
When the game of football (American) was established all that was official was the shape of the ball, it looked like “an elongated pumpkin”which was later called a prolate spheroid. In 1912 the weight of a football was established to be 14 to 15 ounces (0.40 to 0.43 kg)
What’s the average weight of a soccer ball?
FIFA regulations state size 5 balls must weigh between 420 g and 450 g, while size 4 balls must weigh between 350 g and 390 g. A properly weighted ball ensures a fair and enjoyable match. The average kicked speed of a 230 g soccer ball is about 25 meters per second, according to The Physics Factbook.
How is the size of a football tested?
This is done by sight, making sure that each ball is a Wilson ball signed by the NFL commissioner. The ball size and shape are also tested by placing each ball in a mold which each referee has. For the most part football is the one sport I have never been able to understand.
What is the best estimate of the mass of a football?
According to the Oxford Companion to World Sports and Games, the official National Football League Encyclopedia, the NFL “make the right call” book and the football “fun facts”sheet the mass of a football must be between 14 and 15 ounces (0.40 to 0.43 kg) for it to be used in a NFL game.