Ask the Coach

What size baseball bat does a 9-year-old need?

A 9-year-old needs a baseball bat that is the right size and weight for their build. The user is asking for a recommendation on bat size for their 9-year-old son, noting that they've heard lighter bats are better and are seeking advice on what size to purchase.

How to determine the correct baseball bat weight and length?

I would recommend that you do the following test with a bat at a sporting goods store.

Have your son take his lead hand (if he’s a right-handed batter that would be his left hand) and hold the bat at the end, straight out from his body. Make sure he doesn’t stand sideways.

If he can hold the bat sturdy without quivering or dropping it for 30 seconds then that’s the right weight and length for him.

In my opinion, the lightest possible bat is not always the best choose. You want to choose a bat with some weight to it so that it will have some force behind it when the ball is hit. It’s a balancing act between bat speed and weight. You need bat speed with as much weight as you can handle. Finding the right bat often requires looking into bat weight specifications and recommendations to ensure that you choose one that suits your playing style. Testing different weights during practice can also help you discover the ideal balance for both speed and power. Ultimately, the right bat enhances your performance at the plate, allowing you to swing confidently and effectively.

Therefore, the best answer is to find the heaviest bat your son can use without losing bat speed. Do that by trying different bat weights until he passes the test.