16mm vs 13mm Pickleball Paddles: The Physics of Core Thickness Explained
If you've been shopping for a new pickleball paddle lately, you've probably noticed a spec that wasn't talked about much a few years ago: Core Thickness.
When I first started playing, I just grabbed whatever paddle was on sale. But as I moved from 3.0 to 4.0, I realized my equipment was holding me back. I was popping up dinks and my resets were flying long. That's when I discovered the magic of the 16mm core.
Most modern paddles come in two main variations: 13mm (or 14mm) and 16mm. To the untrained eye, 3 millimeters seems insignificant. It's about the thickness of two pennies stacked together. But trust me, on the court, those 3mm make a massive difference in how the ball feels.
In this guide, I'm going to skip the marketing fluff and break down the real-world physics to help you decide which core thickness is right for your game. (Also, if you are confused about weight, check out our Paddle Weight Guide).
The Physics: Energy Absorption vs. Energy Return
Think of the paddle core like a trampoline or a shock absorber. The thickness determines how it behaves when the ball hits it.
The 16mm Core (The Pillow)
A thicker core contains more polymer honeycomb cells. When the ball impacts a 16mm paddle, there is more material to deform and absorb the impact energy.
- Dwell Time: The ball stays on the paddle face for a fraction of a second longer. I call this "holding" the ball.
- Result: More energy is absorbed by the paddle. This equals CONTROL. It feels softer, almost plush.
The 13mm Core (The Trampoline)
A thinner core is stiffer and has less room to deform.
- Rebound: The energy transfer is immediate. The ball "pops" off the face faster.
- Result: Less energy is lost to absorption. This equals POWER. It feels crisp and poppy.
Deep Dive: 16mm Paddles
Who are they for? Reset masters, dinkers, and anyone who hates unforced errors.
I personally switched to a 16mm paddle last year, and my soft game improved overnight. Why? Because when my opponent blasts a drive at me, the 16mm core absorbs that pace, allowing me to drop the ball gently into the kitchen instead of popping it up.
Pros:
- Massive Sweet Spot: The thicker core stabilizes the paddle. Even if I hit it slightly off-center, the ball still goes over the net.
- Vibration Dampening: If you have tennis elbow (like I did), a 16mm core is a lifesaver. It eats up the shock before it hits your arm.
- Forgiveness: It covers up your mistakes. Plain and simple.
Cons:
- Less "Pop": You have to swing a bit harder to put the ball away. But honestly, placement beats power 9 times out of 10.
- Weight: They can feel slightly bulkier, but modern carbon fiber tech has minimized this issue.
Deep Dive: 13mm Paddles
Who are they for? Aggressive players, "bangers," and former tennis players who love to drive the ball.
My doubles partner plays with a 13mm because he loves to speed up the ball. If you have fast hands and like to initiate hand battles at the net, the quick rebound of a 13mm is addictive.
Pros:
- Power on Demand: The ball flies off the face. Great for drives and overhead smashes.
- Hand Speed: Thinner paddles are often more aerodynamic, cutting through the air faster.
- Feedback: You feel exactly where the ball hit the face. Some players love this connection; others hate the vibration.
Cons:
- Smaller Sweet Spot: Mishits are punished. If you hit the edge, the ball dies.
- Harder to Reset: Blocking a hard drive requires "soft hands." If you are tense, the ball will pop up high, and you will get eaten alive.
The Verdict: Which Should You Choose?
After testing dozens of paddles, here is my honest advice:
- Do you struggle with resets and dinking? Go with 16mm. The extra control will fix more errors than extra power will.
- Do you struggle to hit the ball hard enough to pass your opponents? Go with 13mm. It will give you free power.
- Do you have arm pain? Always choose 16mm. Don't even think about 13mm.
For 80% of the amateur players I see at the local courts, the 16mm core is the better choice. The game is won and lost at the kitchen line, and the consistency of a thick core paddle is invaluable.
Ready to upgrade? Check out our top picks in the Best Pickleball Paddles of 2025 guide.
