DeMarini Bats - Your Guide to Swing Weights

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All About Swing Weights
  • How do you determine a bats swing weight??

  • What does the minus number mean??

  • How much does a 32" -9 weight??

Hopefully our simple explanation below will make sense of this.

The minus number (-9, -12, -10, etc...) represents the weight of the bat relative to the length. So how much does a 32" -9 bat weigh? Take 32, subtract 9, and you've got your swing weight: 23 ounces. Simple right? How about a 34" -12 bat? Take 34, subtract 12, and you've got a swing weight of 22 ounces.

It's very common for bat manufacturers to create several models with varying weight/length ratios. For example the popular DeMarini CF4 Fastpitch Bat is manufactured in a -8, -9, and -10 model, that way you are almost guaranteed to find the length/weight combination that's right for you. It's also common for bat manufacturers to create varying swing weights of a certain bat length. Take the 34" DeMarini Juggernaut for example - It's a 34" bat made with a swing weight of 26, 27, 28, or 30 oz. The choice is up to you.

So if a bat has a standard -9 to it, you will know the swing weight (in ounces) is always 9 less than the length. If there is no drop number assigned to the bat, then there is probably more than one swing weight available for each size.

If you have questions about any of the bats on this site, or any other product for that matter, don't hesitate to send us an email.


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