How Heavy Is a Baseball?
a Baseball weighs about
5.13 oz (0.145 kg)
Typical range: 142 g – 149 g.
- a gallon of water3.78 kg
1 US gallon (3.785 412 L) of pure water at 4 °C
- an iPhone 160.17 kg
iPhone 16, Apple technical specifications
- a baseball0.145 kg
official MLB ball, 5 to 5¼ ounces avoirdupois
- a large egg0.05 kg
one USDA large egg, edible portion with the shell removed
- You
Open full comparison → to add more objects on one scale.
Put it in perspective
- About 1.2× an iPhone 16
- About 2.9× a large egg
- About 26× a gallon of water
Sources
[1] Major League Baseball
2026 Official Baseball RulesStandard body
“It shall weigh not less than five nor more than 5¼ ounces avoirdupois and measure not less than nine nor more than 9¼ inches in circumference.”
Value as published: 5 to 5¼ ounces avoirdupois · accessed 2026-11-11.
Last updated 2026-11-11.Report a correction (please include a source link).
Related objects
- a hockey puck5.75 oz (0.163 kg)
- a softball6.75 oz (0.191 kg)
- a volleyball270 g (0.595 lb)
- a 10 oz boxing glove10 oz (0.2835 kg)
- a tennis ball57.7 g (0.127 lb)
- an American football14.5 oz (0.411 kg)
Frequently asked questions
How much does a baseball weigh?
a Baseball weighs about 5.13 oz (0.145 kg) — official MLB ball, 5 to 5¼ ounces avoirdupois.
How much is a baseball in pounds and ounces?
0.32 lb, which is 5.13 oz. In metric terms: 0.145 kg.
Is a baseball heavier than an iPhone 16?
No. a Baseball weighs about 5.13 oz (0.145 kg), while an iPhone 16 is about 170 g (5.997 oz) — roughly 1/1.17.
Where does this number come from?
Every source is listed at the bottom of this page with publisher, link, access date and a verbatim quote. Numbers are only published when a qualifying source can be verified.