Measure a trampoline mat by recording the frame’s diameter (not the old mat), counting springs, and measuring spring length. For rectangles, measure length and width. Replace mats if they’re torn, overstretched, or unsafe. Akrobat USA explains each step to ensure a perfect fit.
If you want to measure your trampoline for a new mat, here’s the answer up front: always measure the metal frame itself, never the old mat. Trampoline mats stretch over time, so the only way to get a precise fit is to measure the frame’s diameter (or length and width for rectangular models), count every spring, and record your spring length hook-to-hook.
Take clear photos, double-check your numbers, and use metric measurements if your supplier prefers them, it’s worth it to avoid ordering the wrong size.
Why Measuring Correctly Matters
A trampoline mat doesn’t stay the same size forever. Over time, the fabric stretches under tension, meaning that measuring an old, sagging mat will almost always give you the wrong numbers. That’s how people end up with mats that hang loose or pull the frame out of shape.
A poor fit puts stress on the springs and the frame itself. Springs that pull at the wrong angle can snap or unhook mid-bounce, and a frame under uneven tension is more likely to bend or rust faster than it should.
It’s tempting to guess or take shortcuts, but buying the wrong mat size can cost you twice, first in wasted money, then again when you have to reorder. We see it all the time, which is exactly why we recommend measuring your frame, not the mat, every single time. If you’re investing in a premium Akrobat mat, take five extra minutes to measure right, you’ll thank yourself for years to come. Not all mats will fit all trampolines. Spring length and spring count are equally important.
Tools You’ll Need
Good measurements start with the right basics. We recommend:
- A sturdy tape measure that includes both inches and centimeters.
- A pen and notepad to jot down dimensions, spring counts, and any frame quirks.
- A helper to hold the tape measure steady, especially for larger frames.
- A camera or smartphone, photos can save you from second-guessing later.
- And when you’re ready, refer to Akrobat USA’s trampoline mat size charts to cross-check your numbers. [Link to measurement chart]
Step 1 – Measure the Frame, Not the Mat
When sizing a new trampoline mat, the golden rule is simple: measure the steel frame, not the old fabric. For round trampolines, measure the frame’s diameter straight across the exact center, from outer edge to outer edge. Make sure the tape is level and pulled tight. If you measure even slightly off-center, you’ll end up with a mat that doesn’t align properly.
For extra accuracy, measure in two directions: once north-south, once east-west.
Many people find it helpful to make a quick sketch. Draw a circle, note the diameter, and mark any quirks you spot, like slight dents or bends. You’ll be amazed how much a simple diagram helps when ordering.
So, how do you size a trampoline mat? Start with the true frame diameter. Everything else, spring count and spring length, will depend on it.
Step 2 – Count the Springs
Once you know your frame size, you’ll need to count how many springs your trampoline uses. This detail is just as vital as the frame measurement because suppliers, including Akrobat USA, use your spring count to match the mat’s ring placements.
Walk around the frame and count every spring hook. If you spot missing springs, check for rusted holes or snapped ends. Underestimating your spring count is one of the easiest ways to order a mat that will never sit right.
Wondering what to do if your springs don’t match? It happens, some older trampolines have a mix of new and old springs that vary in length. We always recommend replacing your springs at the same time if you notice big differences; mismatched springs will throw off your bounce feel and reduce mat life.
Step 3 – Measure the Spring Length
With your count in hand, check your springs’ actual length. Remove three or four springs from different areas of the frame and measure each one hook-to-hook. This gives you a reliable average, rather than trusting a single spring that might be overly stretched.
Here’s a pro tip: temperature can affect your springs. Cold weather can make springs contract slightly, so if possible, measure when it’s warm or bring the springs inside to reach room temperature.
Knowing the true spring length helps you avoid one of the biggest rookie mistakes: ordering a mat that’s the right diameter but built for different spring tension. At Akrobat, we use our AkroSPRING® system to give you smooth, even tension, but it only works if your measurements are accurate.
Step 4 – For Rectangle Trampolines
Featured Product -> 14ft Round Akrobat Primus Flat In-Ground Trampoline
Round trampolines are straightforward, but rectangular frames need an extra moment of care. Always measure both length and width, edge-to-edge across the steel frame, never the mat. It’s not uncommon for low quality older rectangle frames to have slightly different sides due to wear or a minor bend.
If you discover your frame isn’t perfectly square, maybe it bows outward on one side, don’t panic. The safest approach is to take an average: measure both lengths twice in each direction, then use the average. A clear sketch helps here too.
How to measure if your frame is bent? Be honest about the bend. Use multiple measurements, average them, and when in doubt, send photos to our team, we see it every day.
When to Replace a Trampoline Mat
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Every trampoline mat has a lifespan. If you see visible tears, frayed stitching, or sagging that won’t tighten, it’s time to replace it. Another sign? Springs that squeak or clunk, that noise often means they’re over-extended and no longer pulling evenly.
At Akrobat USA, we always remind families that worn mats and old springs go hand in hand. You might be tempted to keep your old springs, but mismatched tension can ruin a brand-new mat in a single season. For the best bounce, and to protect your frame, replace your springs when you upgrade your mat. Our AkroSPRING® system is engineered to give you that smooth, joint-friendly rebound that cheaper springs just can’t match.
When should you get a new mat? The moment you spot tears, loose stitching, or that dull, lifeless bounce, don’t wait until it fails completely.
Avoid Mistakes That Cost You
Too many trampoline owners make the same avoidable mistakes. Don’t trust the stretched-out mat for size. Never skip counting your springs, even one missing hook can throw off your order.
Don’t assume your old brand’s measurements match what’s on the market now. Trampoline specs vary by region, brand, and manufacturing run. And if your springs look rusty, squeaky, or mismatched, don’t reuse them. It’s the fastest way to ruin a new mat, or worse, put unnecessary stress on your frame.
Taking a few extra minutes now saves you from buying the same mat twice. We see it every day, measure well, double-check, and don’t guess.
FAQs About Measuring & Replacing Mats
Photo Source: 8.5in Trampoline Replacement Springs
- What if my brand is discontinued? Don’t worry, mats are sized by frame diameter, spring count, and spring length, not the logo on your frame. Get your measurements right and you’ll likely find a match.
- What if my mat is torn diagonally? Ignore the tear when you go to measure. You’re still measuring the frame, draw it out, note the length and width, and take clear photos.
- Is it safe to upsize the mat for extra bounce? No, never try to install an oversized mat. A mat that’s too big for your frame will cause uneven tension, damaged springs, and a dangerous bounce zone.
- Can you reuse old springs? Technically, yes, but we don’t recommend it. Worn springs rarely match the tension of a new mat and will shorten its lifespan. Our best advice? New mat, new springs.
- How do I measure alone? Grab a helper if you can. If not, secure one end of the tape with a clamp or tape, measure slowly, and double-check your numbers from more than one angle. Take a photo to confirm what you see.
Unique Akrobat USA Tips
When you choose a new mat, not all bounce is created equal. Akrobat mats are built with our unique AkroVENT® airflow design, which provides up to 62.7% softer bounce absorption, making every landing smoother on your joints and more competition-style for athletes in training.
Our frames are engineered from heavy-duty hot-galvanized steel that holds up against harsh coastal air, salt, and humidity, so your investment doesn’t rust out in a season or two. We build each trampoline using certified non-toxic materials, because your family’s safety comes before shortcuts or cheap coatings.
And we stand behind it all: Akrobat’s industry-leading warranty means you’re covered for up to 2.5 million jumps. It’s peace of mind that your mat, springs, and frame will last, not just until next year, but for years of real backyard fun.
Unfortunately, Akrobat mats and pads will not fit every brand of trampoline. If you cannot find a proper replacement fit then it may be time to replace the whole trampoline with a high quality Akrobat trampoline.
Final Checklist Before You Order
✔ Double-check your frame measurements, and measure twice to be certain.
✔ Cross-reference your spring count and length.
✔ Snap photos and save them, so you have a record if you need help later.
✔ Still unsure? Reach out to our US-based trampoline support team, we’ll try to help you match the right mat, springs, and accessories before you click buy.
Measure Smart, Jump Better
Measuring your trampoline for a new mat shouldn’t be a guessing game. Get it right the first time and you’ll enjoy a smoother bounce, longer frame life, and a backyard setup that’s truly built to last.
If you’re spending the time to measure your trampoline properly, don’t settle for a mat that cuts corners. A precise fit deserves the best gear to match it.
Here’s how AkrobatUSA helps you upgrade with confidence:
- Premium AkroVENT® Mats, Softer bounce, less impact on joints, tested for millions of jumps.
- Heavy-Duty AkroSPRING® Systems, Smooth, quiet springs that protect your frame and keep the bounce controlled.
- US-Based Expert Support, Talk to real trampoline specialists who care about getting it right, from measurement to delivery.
Ready to lock in the perfect fit and enjoy years of safe, high-performance jumping?
