Average Baseball Player Weight by Age
Body weight tracks closely with the ability to produce force, which is why it shows up in nearly every velocity conversation. Here is what typical and high-end weight looks like for baseball players from age 7 to 18.
Weight by age chart (7-18)
Average weight by age table
| Age | Average | Elite (90th) |
|---|---|---|
| 7 | 51 lb | 62 lb |
| 8 | 57 lb | 70 lb |
| 9 | 63 lb | 77 lb |
| 10 | 71 lb | 87 lb |
| 11 | 80 lb | 98 lb |
| 12 | 90 lb | 110 lb |
| 13 | 102 lb | 125 lb |
| 14 | 115 lb | 141 lb |
| 15 | 130 lb | 159 lb |
| 16 | 145 lb | 177 lb |
| 17 | 157 lb | 191 lb |
| 18 | 165 lb | 201 lb |
How to measure it correctly
Measured in the morning, before eating, in light clothing, on the same scale each time.
Reading the numbers the right way
Averages describe a population, not a ceiling. Two players at the same age can be a full year apart in physical maturity, so treat these numbers as a starting reference point and focus on your own rate of improvement.
How to improve
Eat like you train
Three meals plus two substantial snacks, with protein at each. Most players who cannot gain weight are simply under-eating on training days.
Lift for mass, not just conditioning
Progressive squats, hinges, presses, and pulls two to three times per week build the lean mass that shows up on the scale and the radar gun.
Track the scale weekly, not daily
Weigh in at the same time each week. A steady half-pound to one pound per week is a healthy climb for a high schooler.
Check your own percentile
Frequently asked questions
How much should a 14-year-old baseball player weigh?+
The average is around 115 pounds, with the 90th percentile near 141 pounds. Frame size and growth timing matter more than hitting an exact number.
Does weight increase pitching velocity?+
Added lean mass usually helps, because more usable force in the lower half tends to raise velocity. Added fat mass does not have the same effect.
Should young players cut weight?+
Growing athletes should almost never diet aggressively. Focus on food quality and training volume, and consult a doctor before any weight-loss plan.
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