How to Choose a Baseball Bat Size (with Charts)

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Plus, how to choose a bat length without measuring

Co-authored by Isaac Hess and Amy Bobinger, BA

Last Updated: June 4, 2026 Fact Checked

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• Bat Size Chart: Height & Weight
|
• Bat Size by Age
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• Drop Weight Chart
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• Without Measuring
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• Other Considerations
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• Video

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Having the right size baseball bat can make a huge difference in the power, speed, and control of your swing. But with so many different bat sizes, how do you even know where to start? (And what even is a drop weight?) That’s where we come in—we’ll help you narrow the field with charts based on height and weight, age, and drop weight, plus how to pick a bat without measuring, with exclusive tips from a baseball coach. You’ll be swinging like a pro in no time!

Baseball Bat Size Chart

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When choosing a baseball bat, first measure the player’s height and weight, then compare that to the chart to find the recommended length. You can also check an age chart for a general idea of the bat length recommended for players based on how old they are.

Steps

Section 1 of 5:

Baseball Bat Size Chart by Height and Weight

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1. Compare the player’s height (in cleats) and weight to this chart. This will give you a really good starting point for finding the perfect bat length. But finding the sweet spot for a comfortable but powerful swing can take a little trial and error, so have the player test out bats that are a size or two longer and shorter than their recommended length. Pay attention to the bat’s weight, too—we’ll cover that in the section on drop weights, below.

   Baseball Bat Size Chart by Height and Weight
   Height (in.)	36”–40”	41”–45”	46”–48”	49”–52”	53”–56”	57”–60”	61”–64”	65”–68”	69”–72”	73”
   Weight (lb.): up to 60	26”	27”	28”	29”	29”
   61–71	27”	27”	28”	29”	30”	30”
   71–80		28”	28”	29”	30”	30”	31”
   81–90		28”	29”	29”	30”	30”	31”	32”
   91–100		28”	29”	30”	30”	31”	31”	32”
   101–110		29”	29”	30”	30”	31”	31”	32”
   111–120		29”	29”	30”	30”	31”	31”	32”
   121–130		29”	29”	30”	30”	31”	32”	33”	33”
   131–140		29”	29”	30”	31”	31”	32”	33”	33”
   141–150			29”	30”	31”	31”	32”	33”	33”
   151–160			29”	30”	31”	31”	32”	33”	33”	33”
   161–170				31”	31”	31”	32”	33”	33”	34”
   171–180						32”	33”	33”	34”	34”
   180+							33”	33”	34”	34”
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Section 2 of 5:

Baseball Bat Size Chart by Age

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1. 
   Use an age chart for a general idea of the bat length to use. If you just want a starting point for the bat length your player might need, an age chart can help. These charts provide a range of the most common bat lengths for different ages, and they’re especially useful if you’re planning to try out bats in person.

   • 5–7 years old: 24”–26” bat length
   • 8–9 years old: 26”–28” bat length
   • 10 years old: 28”–29” bat length
   • 11–12 years old: 30”–31” bat length
   • 13–14 years old: 31”–32” bat length
   • 15–16 years old: 32”–33” bat length
   • 17+ years old: 34” bat length

Section 3 of 5:

Baseball Bat Drop Weight Chart

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1. 
   A bat’s drop weight is the length minus the weight. All non-wood bats have a drop weight, or drop. To find the drop weight, subtract the weight of the bat in ounces from the length of the bat in inches. For instance, a bat that’s 30” long and weighs 19 oz has a drop weight of -11. The bigger the drop, the lighter the bat. Note: Some organizations may require bats with a specific drop. Here are the recommended drop weights by age:

   • 4–6 years old: -11, -12, -13
   • 7–11 years old: -8, -10, -11, -12
   • 12–14 years old: -5, -8, -10
   • 15+ years old: -3
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Section 4 of 5:

Testing Bat Sizes Without Measuring

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1. 
   1
   Hold the bat out along the player’s arm. Have the player stand with their arms outstretched. (If you’re shopping for yourself, it’s a good idea to bring a friend.) Place the knob (the end of the handle) in the center of the player’s chest, then extend the bat out alongside their arm.

   • If they can touch the cap on the end of the bat, the bat is the right length.
   • If they have to bend their arm to touch the end of the bat, the bat is too short.
   • If they can not reach the end of the bat, the bat is too long.
2. 
   2
   Hold the bat straight out in front of their chest. Place the knob of the bat right in the center of their chest, coming out in front of them. Have them try to reach out and touch the bat’s barrel.

   • If they can grab the barrel of the bat, the bat is the right length.
   • If they can touch the end of the bat, the bat is too short.
   • If they can not reach the barrel, the bat is too long.
3. 
   3
   Stand the bat on the floor at the player’s side. Ideally, have the player in cleats, since that will be their height when they’re playing. Place the bat’s cap on the floor and check where it lands in relation to their hip. The bat’s knob should be about 2–3 in (5.1–7.6 cm) below the player’s hip for teens and adults, or right at their hip for youths. Also, check whether they can grab the handle:

   • If they can comfortably reach the handle without bending, the bat is the right length.
   • If the bat ends above their hip, it’s too long.
   • If they have to bend to reach the handle, the bat is too short.
4. 
   4
   Hold the bat out to the side for 30–45 seconds to check the weight. Baseball coach & instructor Isaac Hess says to have the player hold the bat out straight in front of them, with their arm parallel to the floor. He says that if they struggle to hold it up, or if they start leaning to compensate for the bat’s weight, the bat is probably too heavy, and they won’t be able to get the bat through the zone when they swing.

   • If they can hold the bat without dropping it for 30–45 seconds, the bat is the right weight.
   • If they drop the bat before 30 seconds, it’s too heavy.
5. 
   5
   Swing the bat a few times to try it out. “If a player’s swing changes dramatically or slows down with a certain bat, it’s probably too heavy,” says Hess. “The right bat should allow the player to swing naturally and consistently.”
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Section 5 of 5:

Other Considerations When Choosing a Bat

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1. 
   1
   Choose a bat that feels comfortable to the player. “One of the biggest things I tell players and parents is not to choose a bat just because it’s the biggest one a player can physically swing,” advises Hess. “A bat should allow the hitter to stay on time, control the barrel, and swing aggressively without sacrificing mechanics.”

   • Try out several sizes. As Hess points out, “Comfort and confidence matter. Two players of the same size may prefer completely different bats based on feel.”
   • Barrel size also matters, adds Hess. “Larger barrels can be more forgiving, while smaller barrels sometimes provide better balance and control, depending on the hitter.”
   • If you’re trying to decide between two different bat sizes, it’s almost always better to size down. Players will have more control over their swing with a lighter bat.
2. 
   2
   Consider the player’s batting style when choosing a bat weight. When you’re trying to decide what drop weight is best for your player, consider their age, size, and strength. Here’s what Hess recommends:

   • Younger or smaller players: “Younger players usually benefit from a lighter bat that allows them to control the barrel and develop good swing habits,” says Hess. He recommends young players start with a drop weight of around -10 or -11.
   • Experienced or larger players: “Older and stronger players can handle heavier bats that create more power,” adds Hess. He recommends transitioning toward heavier options like -8, -5, and eventually BBCOR (-3).
3. 
   3
   Compare balanced and end-loaded bats. “Balanced” and “end-loaded” refer to where most of the bat’s weight sits. Balanced bats have the weight balanced more toward the center, while end-loaded bats are heavier at the end of the barrel.

   • Choose a balanced bat for younger or lighter players to help them have more control over their swings.
   • Choose an end-loaded bat for older or larger players to add more power to their swings.
4. 
   4
   Consider how the bat’s material will affect the swing. There are several materials used to craft bats. Each has its own benefits, and what you choose ultimately comes down to your budget and personal preferences. (And whether your league requires certain bat materials.) The most common bat materials include:

   • Alloy/aluminum: These bats are usually more affordable, and they don’t require breaking in. They’re also a little heavier, so they’re best for power hitters.
   • Composite: These cost a little more, but they’re made of a lighter material, so they’re good for fast, controlled swings. However, they often require a breaking-in period.
   • Hybrid: These bats are a hybrid of alloy and composite materials. They’re a good, balanced option, and they don’t require much breaking-in time. However, they’re more expensive than alloy bats.
   • Wood: Wood bats are pretty affordable, but they tend to break easily and they have a smaller sweet spot, so they can be a little harder to use.
5. 
   5
   Check for additional league requirements before you buy a bat. Your league may require players to use bats with a certain length or drop weight. They may also require the bats to have a certain certification stamp.

   • For instance, high school and college players who play in BBCOR must use bats that have a -3 drop weight, 29”–34” length, 2 ⅝” barrel diameter, and BBCOR stamp.
   • T-ball and youth leagues usually require a USA Baseball stamp.
   • Travel ball leagues usually require a USSSA stamp.
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