Buying a trampoline for your backyard can be an exciting purchase! But with so many shapes, sizes and features to consider, it can also feel overwhelming trying to choose the right one. As a trampoline expert helping families select the perfect trampoline for over 10 years, I've put together this comprehensive guide on how to pick the best trampoline size for your needs. 👍 In this Trampoline Size Guide, you'll learn key factors like yard space, number of users, trampoline types, safety considerations and more to help you make the most informed decision. I'll also provide specific trampoline recommendations for all shapes and sizes. Let's jump right in! How big of a trampoline do I need? Here's a quick answer: Choosing the right size trampoline comes down to two main factors - the amount of open yard space you have, and the number of people you need the trampoline to accommodate. As a general rule of thumb: Small trampolines 6-10 ft are best for solo use Medium 10-14 ft work well for 1-2 users Large trampolines 15+ ft are ideal for families Trampoline shape also impacts capacity. Read on for more details! 👇 Trampoline Size Factors to Keep in Mind When deciding what size trampoline you should get, there are a few key considerations to keep in mind: Yard Space First, measure the amount of open yard space you have available. Trampolines need adequate overhead and side clearance for safety - aim for at least 6 ft on all sides. Make sure to account for areas needed to erect safety nets too. You'll also need room for easy access and supervision. Position it away from trees, fences and other structures. Number of Users Consider how many people will be bouncing at one time. Aim for individual jumpers to have at least 6 ft diameter of personal bounce space. More frequent users mean a bigger trampoline! Here are general sizing guidelines based on number of users: 1 person: 6 - 10 ft 2 people: 10 - 12 ft 3-4 people: 12 - 14 ft 5+ people: 15+ ft Trampoline Shape Trampoline shape impacts overall jump area. Round trampolines offer the most symmetrical and efficient bounce, while rectangular and square trampolines provide more overall jumping space that's ideal for multiple users. Safety Review safety guidelines for trampoline user age, weight limits and recommended supervision. Prioritize safety nets, padded coverings and avoiding hard surfaces underneath. Durability The bigger the trampoline size, the more weight and force it has to withstand. Be sure to choose a well-constructed frame, high-quality mat materials and strong springs that will hold up over years of jumping! Now that we've covered the key factors, let's explore popular trampoline sizes and shapes... Round Trampolines Round trampolines are the classic backyard trampoline choice preferred by individual jumpers. Their symmetrical shape provides an even bounce across the mat. Here's an overview of popular round trampoline sizes: Small Round Trampolines (6-10 ft) Best for: Solo use Key Features: Compact 6-10 ft size ideal for small yards Great option for toddlers & young kids starting out Easy to enclose & supervise kids Fits recreational solo bouncing I recommend: GYMAX 6FT Kids Trampoline with Swing AOTOB 8FT 10FT Trampoline with Safety Enclosure Net Medium Round Trampolines (10-14 ft) Best for: 1-2 users Key Features: 10-14 ft mat gives 1-2 people ample bounce room Enclosures can easily fit this size Great option as kids grow and develop skills Still very controllable for supervision I Recommend: SereneLife ASTM Approved Trampoline with Net Enclosure Large Round Trampolines (15+ ft) Best for: Active families Key Features: 15+ ft diameter provides lots of room for families Higher weight limits to accommodate adults More elevation for skilled jumpers Still centers bounce well I Recommend: ORCC Trampoline-ASTM and CPSIA Approved-16 15 14 12 10ft Kids Recreational Trampolines Rectangular Trampolines Rectangle trampolines provide the most overall jump space for the footprint, making them a great option for multiple users. Here's an overview: Small Rectangle Trampolines (6x10 ft) Best for: 1-2 users Key Features: Compact shape fits small yards Low impact for new jumpers Narrow mat focuses bounce Enclosure recommended to prevent falls I Like: Exacme 7X10FT, 8X12FT Double Enclosure Openings Rectangle Trampoline Medium Rectangle Trampolines (9x15 ft) Best for: 2-3 users Key Features: Space for multiple coordinated jumpers Enclosures keep users protected Durable build stands up to frequent use Great for kids' athletic training I Like: Goplus 8FT x 14FT Rectangular Trampoline Large Rectangle Trampolines (10x17+ ft) Best for: 3-4+ users Key Features: Oversized mat for whole family High weight limits for adults Professional training sized mats Safety nets are must at this size I Recommend: Machrus Upper Bounce Rectangle Trampoline 8x14FT 9x15 FT 10x17 FT- Rectangular Recreational Trampoline Note: I am not adding Square and Oval Trampolines because they are expensive. I have written a review article on the best trampolines of both types, but personally I will not recommend them. Summary Table: Trampoline Sizes Here is a quick summary of recommended trampoline sizes based on key factors: Number of UsersSpace ConstraintsTrampoline SizeTrampoline Type1Small yard6-8 ftRound or Small Oval1-2Narrow yard6x10 ftRectangle or Oval2-3Standard yard10-14 ftRound or Medium Oval3-4Large yard8x12+ ftLarge Rectangle5+Very large yard15+ ftLarge Round Other Factors When Choosing a Trampoline Besides size and shape, here are some other key considerations when selecting a trampoline: Safety Features Prioritize safety with: Safety netting/enclosures - Essential for preventing falls at all sizes Safety pads - Thick padding covers springs and frames Ladder access - Allows controlled mounting and dismounting Construction Look for: Steel frames - Avoid cheaper aluminum which can bend Galvanized steel - Resists rusting and corrosion UV protection - Prevents premature mat deterioration Quality springs - Ensure steady bounce, avoid breakage Weight Limits Consider user weights and activity levels. Look for: Higher weight limits - Support adults up to 250+ lbs Reinforced mats - Withstand intense exercise routines Warranties Opt for longest coverage such as: 10-year frame warranty 2-year parts warranty 1-year mat warranty With the guidance above, you're equipped to find the ideal trampoline size, type and features for backyard fun. Just measure your space, tally your jumpers and use my recommendations to select the perfect trampoline for your family. Happy bouncing! 👋 Related Topics: Best Mini Trampoline for ToddlersHow to Keep a Trampoline from Blowing Away?Bounce Pro Trampoline ReviewsCan You Lose Weight by Jumping on a Trampoline?How Much Wind Can a Trampoline Withstand?