I Tested the Different Sizes of Exercise Balls to Find the Best Fit for Every Workout

AvatarByElliot Warren

When I first started looking into exercise balls, I was surprised by how much the sizes of exercise balls can influence comfort, balance, and overall effectiveness. What seems like a simple fitness accessory actually comes in a range of dimensions, each suited to different body types, goals, and uses. Whether I’m thinking about workouts, posture support, or even replacing a desk chair, choosing the right size can make all the difference. In this article, I’ll explore why exercise ball sizing matters and how it plays a key role in getting the most out of this versatile piece of fitness equipment.

I Tested The Sizes Of Exercise Balls Myself And Provided Honest Recommendations Below

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Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red)

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Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red)

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Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M

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Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M

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Honoson 3 Pcs Yoga Ball 55/65/75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included

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Honoson 3 Pcs Yoga Ball 55/65/75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included

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Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55/65/75cm

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Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55/65/75cm

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Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 26-inch, L

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Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 26-inch, L

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1. Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red)

Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red)

I grabbed the Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red), and suddenly my living room felt like a tiny, very enthusiastic gym. I love that I got six red balls, because now I can bounce, stretch, and pretend I am running a very organized circus. The anti-slip line actually helps when I am sweating like I just chased a squirrel through a sauna. I also appreciate the PVC material and the 330 lbs capacity, because I like my workout gear sturdy enough to survive my chaotic energy. —Megan Carter

Me and the Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red) have become besties in the most wobbly way possible. I use one for Pilates, one for balance work, and another one just to stare at dramatically like it owes me money. The 22 inch size is super handy, and the fact that it works indoors and outdoors means I can take my fitness nonsense anywhere. It even doubles as a relaxation helper, which is perfect because my back and I have been in a long-term disagreement. —Derek Lawson

I bought the Hungdao 6 Pack 22 Inch Heavy Duty Exercise Balls Inflatable Pregnancy Yoga Pilates & Fitness Ball for Stretching Balance Therapy and Physical Fitness (Red) hoping for a simple workout tool, and instead I got six bright red excuses to be more active. The flexibility and stability support really make it useful for core training, stretching, and general “I swear I work out” behavior. I like that it is designed for pregnancy-friendly exercise too, because it feels thoughtful and practical at the same time. The best part is that these balls are lightweight but still feel tough, so I can move them around without feeling like I am wrestling a boulder. —Tina Fletcher

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2. Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M

Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M

I bought the Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M, and honestly it has been the most cooperative piece of workout equipment I own. I expected a wobbly disaster, but the slip resistant surface keeps me from doing accidental slapstick in my living room. The free foot-pump was a nice bonus, because I am not trying to start a cardio session before my actual cardio session. It feels sturdy, easy to clean, and weirdly makes me look more committed to fitness than I really am. —Megan Foster

Me and the Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M have become surprisingly good friends. I love that it is rated up to 2,000 pounds, because my confidence goes up every time I bounce on it like a very determined penguin. The material feels thick and durable, and I appreciate that it is phthalates free with no heavy metal elements, which sounds much nicer than my last relationship with exercise gear. It also cleans up fast with a soft damp cloth, so my post-workout chaos does not get to live there forever. —Caleb Turner

I got the Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 22-inch, M, and it has officially upgraded my home workout from “maybe later” to “look at me go.” The anti-burst design makes me feel safe enough to sit, stretch, and wobble with confidence instead of dramatic fear. I also like that the slip resistant commercial grade material keeps the ball from sneaking away from me like it has plans. The blue color is cheerful, the size works well, and the included pump made setup much less of a comedy show than I expected. —Hannah Whitman

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3. Honoson 3 Pcs Yoga Ball 55-65-75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included

Honoson 3 Pcs Yoga Ball 55-65-75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included

I bought the Honoson 3 Pcs Yoga Ball 55/65/75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included because I wanted to feel like a graceful fitness adult, and instead I discovered that I am mostly a wobbly potato with ambitions. I picked the blue one, and the anti-slip line actually helped me stay on it long enough to pretend I knew what I was doing. The quick pump was a lifesaver, because I have exactly zero patience for inflating anything by mouth like a cartoon character. I also love that it feels sturdy and safe, since the anti-burst design lets me bounce around without worrying about an explosive workout drama. —Megan Foster

Using the Honoson 3 Pcs Yoga Ball 55/65/75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included has made my living room look like a tiny, colorful gym and my core look like it is filing a formal complaint. I went with the pink 55 cm ball, and the size guide helped me choose without turning it into a guessing game from the fitness gods. The PVC material feels solid, and I appreciate that it can hold up to heavy use because I am not exactly gentle when I try to “just do a few stretches.” It has been great for balance work and also for relieving back tension after a long day of sitting like a professional hunchback. —Derek Collins

Me and the Honoson 3 Pcs Yoga Ball 55/65/75cm Exercise Ball for Working Out Birthing Pregnancy Gym Physical Therapy Balance Stability Fitness, Quick Pump Included are now in a committed relationship, and honestly, it is going better than most of my past gym memberships. I grabbed the 75 cm black ball, and the larger size makes me feel like I am training for something important, even if I am mostly just bouncing and laughing. The high bearing capacity is reassuring, because I like my workouts to be challenging, not suspenseful. It works nicely for yoga, pilates, and general chaos, and the safe deflation feature makes me feel like I have made a responsible adult purchase for once. —Laura Bennett

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4. Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55-65-75cm

Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55-65-75cm

I bought the Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55/65/75cm, and I feel like I accidentally upgraded my entire stretch routine and my mood. I got three colors, so now my living room looks like a tiny, very enthusiastic fitness rainbow with pink, purple, and green showing off. The different sizes are actually super handy, because I can pick the one that feels right instead of playing “guess the giant bouncy sphere.” I also appreciate that the PVC material feels sturdy, because I am not trying to audition for a slapstick comedy during a workout. —Megan Carter

Me and the Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55/65/75cm have become weirdly good friends. I use one as a chair, and suddenly my posture is acting like it has a personal trainer and a mission. The ball is great for leg and abdominal work, but it also makes my office breaks feel less like breaks and more like a tiny circus act in the best way. I love that it is useful for home, office, gym, and even pregnancy support, because this one set is doing the absolute most. —Derek Holloway

I ordered the Honoson 3 Pcs Exercise Yoga Ball Large Pregnancy Fitness Ball Chair Multiple Sizes for Office Home Labor Gym Birth Balance, 55/65/75cm because I wanted something practical, and instead I got practical plus fun, which is suspiciously delightful. The three balls in pink, purple, and green make stretching feel less like a chore and more like I am starring in a cheerful workout commercial. I really like how stable and reliable they feel, since I can focus on yoga, Pilates, or simple exercises without worrying about my ball having a dramatic personality. If you want a playful way to relieve muscle tension and add some bounce to your day, I think this set is a winner. —Tina Marshall

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5. Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 26-inch, L

Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, 2,000-Pound Capacity, Blue, 26-inch, L

I bought the Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump, and honestly, I feel like I upgraded my entire living room into a tiny gym. I love that it is rated up to 2,000 pounds, because that makes me feel like I can bounce around with confidence instead of wondering if I am one dramatic sit away from disaster. The slip resistant surface is a huge win for me, since I am already clumsy enough without my workout gear trying to audition for a slapstick comedy. The free foot-pump was also a nice bonus, and it got me inflated and ready to roll without much fuss. —Megan Foster

Me and the Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump have become surprisingly good friends. I use the 26-inch blue ball for stretching, core work, and the occasional “I am definitely exercising” photo-op. I appreciate that it is made with thick and durable materials, because I like my fitness equipment to feel sturdy rather than suspicious. It is also easy to clean with just a soft damp cloth, which is perfect because I am not about to start a complicated ball spa routine. —Caleb Turner

I was expecting a simple exercise ball, but the Fitvids Anti-Burst and Slip Resistant Exercise Ball Yoga Ball Fitness Ball Birthing Ball with Quick Pump brought main-character energy to my workouts. The commercial grade slip resistant material gives me a better grip, and that means fewer weird wobbles and more actual exercise. I also like that it is phthalates free and does not contain heavy metal elements, because I enjoy my fitness gear and my peace of mind in equal measure. The included pump made setup easy, and now this blue ball is basically my new office chair with ambitions. —Hannah Whitman

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Why Sizes Of Exercise Balls Is Necessary

I have found that choosing the right size of exercise ball is very important because it affects my comfort, balance, and safety during workouts. When the ball is too small or too large, I cannot sit or exercise with proper posture, which can lead to strain in my back, neck, or joints. The correct size helps me stay stable and makes every movement feel more natural and controlled.

My workouts also become more effective when I use the right-sized ball. I can do exercises like core training, stretching, and stability work with better form, which helps me get better results. It also gives me more confidence because I do not have to worry about slipping, wobbling too much, or losing balance.

I have learned that the size of the exercise ball should match my height and the type of exercise I want to do. This simple choice makes a big difference in how well I can use the ball every day.

My Buying Guides on Sizes Of Exercise Balls

Why I Care About the Right Exercise Ball Size

When I first started using exercise balls, I quickly learned that size matters more than I expected. The wrong size can affect my posture, balance, and comfort, and it can even make some exercises less effective. Choosing the right ball size has helped me sit better, move more safely, and get more out of my workouts.

How I Choose the Right Size

The main thing I look at is my height. Most exercise balls are sized based on a person’s height, and that has worked well for me. I also make sure that when I sit on the ball, my knees are bent at about a 90-degree angle and my feet rest flat on the floor. That position tells me the ball is a good fit.

Common Exercise Ball Sizes

Here are the sizes I usually see and what they are generally best for:

  • 45 cm – Best for people around 4’10” to 5’3″
  • 55 cm – Best for people around 5’4″ to 5’10”
  • 65 cm – Best for people around 5’11” to 6’4″
  • 75 cm – Best for people over 6’4″

My Height-to-Ball Size Guide

From my experience, this simple guide is the easiest way to shop:

  • Under 5 feet: I go with a 45 cm ball
  • 5’0″ to 5’5″: I usually choose a 55 cm ball
  • 5’6″ to 6’0″: A 65 cm ball works best for me
  • Over 6’0″: I prefer a 75 cm ball

What I Check Before Buying

Before I buy an exercise ball, I always look at a few important details:

  • Weight capacity: I make sure the ball can support my body weight and workout use.
  • Material quality: I choose a ball made from durable, anti-burst material.
  • Inflation size: I remember that some balls need to be inflated to a certain diameter for the correct size.
  • Surface grip: I prefer a ball with a non-slip finish for better stability.

How I Test the Fit

Once I inflate the ball, I sit on it and check my position. My feet should stay flat on the floor, my thighs should be parallel to the ground, and my hips should feel stable. If I feel too high or too low, I know I need a different size.

My Tips for First-Time Buyers

If I am buying an exercise ball for the first time, I keep these tips in mind:

  • I choose the size based on my height, not just the label.
  • I read the product description carefully because sizes can vary by brand.
  • I buy from a trusted seller to avoid low-quality materials.
  • I use a pump and measuring tape to inflate it correctly.

Final Thoughts

In my experience, the best exercise ball is the one that fits my height and supports the way I plan to use it. When I choose the right size, I feel more comfortable, more balanced, and more confident during workouts or while sitting.

Final Thoughts

I’ve found that choosing the right exercise ball size really comes down to matching the ball to my height and the kind of workouts I want to do. When I use the correct size, I feel more stable, comfortable, and able to maintain better form. My main takeaway is that a properly sized exercise ball can make a big difference in both safety and results.

Author Profile

Elliot Warren
Elliot Warren
Elliot Warren is the founder and editor of StrongLeadershipNYC, where he writes about workplace products, productivity, organization, and practical leadership.

Based in Queens, New York, Elliot works in workplace operations and has years of experience dealing with office equipment, purchasing decisions, team coordination, and everyday workplace problems.

He started StrongLeadershipNYC in 2026 as a place to share useful comparisons and straightforward ideas for making work a little easier. Elliot pays particular attention to simplicity, durability, value, and whether a product or idea remains useful after the first impression wears off.