5 ounces
The same as a major league baseball, 9.25 ounces. IMPROVED ANSWER: Same as MLB with the exception of T-Ball Balls. The T Ball balls are lighter and don't have as much "bounce".
An official league baseball weighs between 5 and 5 1⁄4 ounces (142 and 149 g)
Weight of a baseball According to the rules of Baseball, "It shall weigh not less than five nor more than 5 1/4 ounces avoirdupois"
Weight of a Major League Baseball According to the rule book, a baseball must weigh at least 5 ounces and can not exceed 5.25 ounces. Official balls must weigh between 5 and 5 1/4 ounces.
5 ounces
Type your answer here... 5 ounces
Most MLB bats weigh between 30-33 ounces. All are -3 drop, meaning if it is a 35 inch long bat, it must be 32 ounces.
NO! Here are the stats on baseballs: Major League baseball has a diameter of 23/8" to 3", weighs between 5 and 5.25 ounces (142-149 grams), and is 9 to 9.25" in circumference
An official MLB baseball can legally weigh between 5 and 5.25 ounces. So, using five ounces, ten baseballs = 10 x 5 = 50 ounces or 3.125 pounds.
MLB Rule 1.09 states the ball must weigh between 5 and 5.25 ounces: "The ball shall be a sphere formed by yarn wound around a small core of cork, rubber or similar material, covered with two stripes of white horsehide or cowhide, tightly stitched together. It shall weigh not less than five nor more than 5 1/4 ounces avoirdupois and measure not less than nine nor more than 9 1/4 inches in circumference."
All baseballs are made to weigh between 5 to 5 1/4 ounces.