Basketball (NBA spec) – 7.5 to 8.5 psi and 22 ounces
Football (NFL spec) – 12.5 to 13.5 psi and 14 to 15 ounces
Soccer ball – 8 to 12 psi and and 14 to 16 ounces
Volleyball – 4.6 psi and 10 ounces
Basketball (NBA spec) – 7.5 to 8.5 psi and 22 ounces
Football (NFL spec) – 12.5 to 13.5 psi and 14 to 15 ounces
Soccer ball – 8 to 12 psi and and 14 to 16 ounces
Volleyball – 4.6 psi and 10 ounces