Normal atmospheric pressure is 14.7psi. For example: A soccer ball has a recommended ...
It would likely be a size 4. The size 5 ball is spherical, made of leather or other suitable material, of a circumference of not more than 70 cm (28 ins) and not less than 68 cm (27 ins), not more than 450 g (16 oz) in weight and not less than 410 g (14 oz) at the start of the match, and of a pressure equal to 0.6 – 1.1 atmosphere (600 – 1100 g/cm2) at sea level (8.5 lbs/sq in 15.6 lbs/sq in).
More Soccer Ball Size 4 Air Pressure images
The proper inflation pressure for a size three soccer ball is 8.5 psi to 15.6 psi. This is also true for size four and size five. (3, 4, 5 are the only official sizes of competition ball)
Air Pressure: 8.5-15.6 PSI 0.6-1.1 bar : Use for: Size 4 balls are used for players between the ages of 8 and 11 (U-8, U-9, U-10 and U-11). Size 4 balls are also used by adult players in futsal and indoor football (note that the ball material are different for these balls).
But knowing whether you should or shouldn’t adjust the air pressure of a soccer ball can be tricky. After all, there are rules and regulations that all teams have to adhere to such as a mandatory ball size - size 4 and 4.5 being the usual requirement for youth soccer.
soccer ball size 4 air pressure
If your soccer ball has a recommended air pressure of 11.60 PSI, you’ll need to multiply that value by 0.068948. 11.60 x 0.0689476 = 0.799 BAR (which can be rounded up to 0.8) Before Inflating Your Football
The air pressure to be maintained for the size 4 soccer ball is 0.4 – 0.6 atm at sea level. Size 5: What used to be an 18 – 26 paneled ball, is now, according to FIFA rules, made of 32 panels. This is the size suitable for use by players above 12 – 13 years. Air pressure is generally mentioned on the ball itself, and is maintained within 0.9 – 1.1 atm at sea level. The primary method of the selection of a soccer ball is by age.