How to Measure a Trampoline for a Replacement Mat

Buying a replacement trampoline mat gets much easier once you stop relying on the advertised trampoline size alone. A trampoline sold as a 12-foot, 14-foot, or 15-foot model can still use different mat diameters, V-ring counts, and spring lengths.

If you are replacing a round trampoline mat, write down four measurements before you shop: frame diameter, mat diameter, V-ring count, and spring length. You may not need all four every time, but each one can help separate a true fit from a near match.

Open the replacement mat finder →

1. Measure the metal frame

Measure straight across the trampoline from the outside edge of the metal frame to the outside edge on the opposite side. Do not measure only the jumping mat. This frame measurement is usually the number people mean when they call a trampoline “12 foot” or “14 foot.”

For the best result, take the measurement across the widest part of the circle. If the trampoline is slightly out of round, measure it in two directions and compare the numbers.

2. Measure the mat fabric

Measure the jumping mat from fabric edge to fabric edge. Do not include the metal V-rings and do not include the springs.

This measurement matters because two trampolines with the same frame diameter can use different mat diameters. A difference of only a few inches can change which replacement mat fits.

3. Count every V-ring

Count the metal V-rings attached around the edge of the mat. Count all the way around rather than estimating from one section.

Ring count is one of the most useful fitment checks. A mat with the right diameter but the wrong number of rings is not the same fit.

4. Measure one unstretched spring

If the replacement listing specifies spring length, remove one spring and measure it while it is unstretched. Measure from the end of one hook to the end of the other hook.

If you do not know the spring length, our finder can still narrow matches using the other measurements. When spring length is needed to separate otherwise similar choices, adding it gives you a more precise result.

Common mistakes to avoid

Do not use the frame size as the mat size. A 14-foot frame does not usually use a 14-foot jumping mat.

Do not include the V-rings when measuring the mat. Measure the fabric itself.

Do not estimate the ring count. Count every ring. Small differences matter.

Do not assume the brand name is enough. Manufacturers can use different mat specifications across models and production runs.

Browse replacement mats by frame size

8-foot frames ·
10-foot frames ·
12-foot frames ·
13-foot frames ·
14-foot frames ·
15-foot frames ·
16-foot frames ·
18-foot frames

Before you order

Use our measurements to narrow the choices, then compare the seller’s current product specifications with your trampoline before buying. Product details can change.

TrampolineParts.store is not the seller and does not process orders, shipping, returns, refunds, exchanges, or warranty claims. Contact the retailer or seller that handled the purchase for transaction or product-support issues.