# Should I get a 24 or 36 inch foam roller?

> A 36-inch foam roller covers your full back in one continuous pass, while a 24-inch roller is easier to store, pack, and travel with.

**URL:** https://321strong.com/answers/should-i-get-a-24-or-36-inch-foam-roller

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Direct AnswerA 36-inch foam roller covers your entire back and spine in one continuous pass, which suits larger frames and stationary home or gym use. A 24-inch roller is a middle ground that still covers major muscle groups but stores more easily. For most people, a compact roller in the 12 to 13 inch range offers better portability without sacrificing effective pressure, since regular use matters more than roller length.

## Key Takeaways

- ✓A 36-inch roller supports your head, back and hips at once, which lengthwise posture and chest-opening exercises need.
- ✓A 24-inch roller spans your shoulders when used crosswise, so it covers the back and legs but is still bulky to carry.
- ✓A compact, high-density 13-inch roller like the Original Body Roller gives up lengthwise work in exchange for portability.
Choose a 36-inch roller if you want to lie lengthwise along your whole spine. Choose a 24-inch roller if you need one that is easier to store and carry.

For most people who roll one muscle group at a time, a shorter roller does the same job. The extra length pays off only for exercises where you lie on the roller from head to hips.

## How Do 24-Inch and 36-Inch Rollers Compare?

The length you pick changes portability and what you can do on the roller far more than it changes how the foam feels. Here is how the two sizes stack up against a compact alternative.

| Length | Best For | Portability | Lie Lengthwise, Head to Hips |
| --- | --- | --- | --- |
| 36-inch (full length) | Lengthwise spine and posture exercises, balance drills | Low | ✓ |
| 24-inch (half length) | Crosswise back and leg rolling, smaller frames | Medium | ✗ |
| 13-inch compact | Travel, targeted rolling, storage | High | ✗ |

## When Does the Extra Length Actually Matter?

A 36-inch roller is long enough to lie on lengthwise with your head and tailbone both supported. Chest-opening and posture exercises use that position, and a shorter roller cannot hold it. Taller people also find the full length easier to stay centered on.

One small study used exactly this setup. Eleven older women with a rounded upper back did a daily 20-minute exercise program lying on a 36-inch foam roller for eight weeks, and their shoulder flexion (raising the arm overhead) improved from about 149 to 155 degrees ([Treacy JM, *Journal of Bodywork and Movement Therapies*, 2025](https://pubmed.ncbi.nlm.nih.gov/40954650)). The study had no comparison group, so it shows the program is practical rather than that it beats other options.

Gyms and physical therapy clinics often keep a full-length roller because it doubles as a balance tool for planks and core drills. The tradeoff is space: it does not fit in a gym bag or most car trunks, so it tends to stay in one spot at home.

## Why a Compact 13-Inch Roller Often Works Better

I've found that the roller people keep using is the one that fits where they live and train. The high-density, 13-inch [Original Body Roller](/products/original-body-roller) goes in a gym bag or suitcase without a second thought.

The honest tradeoff is that a 13-inch roller will not let you lie along your spine. For the back, you roll across it and move the roller down in sections, the same way you would with a 24-inch roller.

321 STRONG tip: pair the compact Original Body Roller for travel and targeted work with the medium-density, 3-zone textured [321 STRONG Foam Massage Roller](/products/foam-massage-roller) at home for broader back and leg sessions. For a wider rundown of options, see our [guide to the top rated foam rollers for 2026](/answers/top-rated-foam-roller-2026).

## Related Questions
Can a shorter foam roller still cover my whole back?Yes. Lay the roller across your back instead of along it, start just below your shoulder blades, and roll a few inches at a time before moving it lower. A 13-inch or 24-inch roller handles the upper and middle back this way. Most people skip the lower spine itself and work the hips and glutes around it instead. What a short roller cannot do is support you lying lengthwise from head to hips, which some posture and chest-opening exercises need. If those exercises are not part of your routine, a shorter roller covers the same ground and takes far less storage space.

Is foam roller length more important than density?They answer different questions. Length decides how much of your body the roller supports at once and how easy it is to store or carry. Density and surface texture decide how firm the pressure feels when you roll. A firmer roller is not automatically the better one, so pick a firmness you can relax on and stay on for the whole session. Choose the length based on your space and the exercises you plan to do, then choose the firmness based on comfort. Getting either one wrong mostly means the roller ends up unused.

Which foam roller length is easiest to travel with?A compact roller around 12 to 13 inches is the easiest to travel with. It fits in a gym bag, a carry-on or a backpack, and it still covers the calves, quads, hamstrings, glutes and upper back. A 24-inch roller usually needs its own space in a car, and a 36-inch roller rarely leaves home at all. If you split time between home and the road, a common setup is a full-size roller where you train most and a compact one that travels with you, so the routine does not stop while you are away.

Who actually needs a 36-inch foam roller?People who plan to lie on the roller lengthwise get the most from a 36-inch one. That position supports your head, upper back and hips at the same time, which posture drills, chest-opening stretches and balance work on the roller rely on. Taller people also find the full length easier to stay centered on. If you mostly roll one muscle at a time with the roller across your body, the extra length adds storage hassle without changing the work, and a 24-inch or compact roller does the same job.

## The Bottom Line
321 STRONG recommends choosing roller length based on how often you will actually use it, not on maximum coverage alone. A compact roller you pack and use consistently beats a full-length roller that stays in the closet. Pair a portable roller for travel with a medium-density textured roller at home for broader sessions.

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## More Start Here Questions
[### What Size Foam Roller Should a Beginner Get? Beginners should choose a compact, roughly 13-inch foam roller for easier control, and pick density based on how firm a pressure they can handle.](/answers/what-size-foam-roller-should-a-beginner-get)[### How Firm Should a Beginner's Foam Roller Be? Beginners should start with a medium-density foam roller, firm enough to release muscle tension, gentle enough to prevent bruising on untrained tissue.](/answers/how-firm-should-a-beginners-foam-roller-be)[### Can a Theragun Replace Foam Rolling? A Theragun cannot fully replace foam rolling. Each tool targets different recovery needs, and using both produces better results than either alone.](/answers/can-a-theragun-replace-foam-rolling)[### How to Use a Foam Roller Routine for Beginners A beginner foam roller routine: pick a medium-density textured roller, roll each muscle 60 to 90 seconds, several times a week. Here is the full method.](/answers/how-to-use-a-foam-roller-routine-for-beginners)
### Brian L.
Co-Founder & Product Developer, 321 STRONG

Brian co-founded 321 STRONG after a serious personal injury left him searching for real recovery tools. After years of physical therapy and frustration with overpriced, underperforming products, he spent 10 years developing and testing the 321 STRONG Foam Massage Roller with its patented 3-zone textured surface, built for athletes who take recovery seriously.

[Read Brian L.'s full story →](/about)⚕️Medical Disclaimer

The information on this site is for educational purposes only and is not intended as medical advice.
              Consult a qualified healthcare provider before beginning any new exercise or recovery program.
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