Looking for a gas spring size chart to help you choose the perfect gas spring? You’re in the right place. Whether you’re replacing an old gas spring or starting a new project, knowing the right size is crucial. The wrong size can lead to poor performance, safety issues, or even damage to your application. In this guide, we’ll show you how to use a gas spring size chart effectively and how to avoid common pitfalls when selecting gas struts.
Why gas spring sizing matters
Choosing the correct gas spring isn’t just about fitting, it’s about function. The size of a gas spring determines how much force it can deliver, how far it can extend or compress, and how well it fits your mounting points. Using a gas spring that’s too strong, too long, or mounted at the wrong angle can result in jerky motion, damaged hinges, or even injury.
Whether you’re working on kitchen cabinets, vehicle hatches, machinery or medical equipment, referring to a gas spring size chart helps you pick the ideal model for your needs.
What is a gas spring size chart?
A gas spring size chart is a reference table that includes important measurements and force ranges for various gas springs. It usually includes:
- Extended and compressed lengths
- Stroke length
- Diameter of the piston rod and cylinder
- Mounting types
- Force range in Newton (N)
- Thread sizes (e.g., M6, M10, M14)
Gas springs are often labelled with standard sizes like 6/15, 8/19 or 14/28—this refers to the diameter of the piston rod and the cylinder. Our gas spring configurator helps you explore these dimensions and visualise them in 3D.
How to use our gas spring size chart
Our gas spring size chart is especially useful if you’re replacing an existing unit or calculating for a new application. Here’s how to get started:
- Measure your current gas spring: fully extended and fully compressed.
- Note the rod and tube diameters (e.g., 10mm rod, 22mm tube).
- Determine the required force in Newtons (often printed on the spring).
- Use the chart or enter your data into our gas spring calculator.
Not sure about the force? Our calculator tool will help you figure that out based on weight, pivot points, angles and more. For direct replacements, use our replacement tool.
Gas spring size examples
Here are some common size formats from our chart:
- 6/15 – compact gas springs, typically used in lightweight furniture.
- 8/19 – great for small hatches and lids, up to moderate force levels.
- 10/22 – commonly found in automotive or medium-duty applications.
- 14/28 – heavy-duty gas struts for industrial and commercial use.
Each of these sizes corresponds to a specific range of lengths and forces. To get a perfect fit, always refer to both size and required force.
Real case: finding the right size with our calculator
One of our customers needed to replace a broken gas spring on a motorhome compartment door. The old strut didn’t have a readable label, so they measured the extended and compressed lengths and estimated the weight of the door. Using our gas spring calculator, they entered the values and received a recommendation: a 10/22 gas spring with 450N force. The order was placed, and the new spring fit and worked flawlessly.
Tools that make size selection easier
We believe gas spring sizing should be simple. That’s why we offer three free online tools:
Gas spring calculator
Ideal if you’re designing a new application. Input measurements like weight, angle, and dimensions to get an instant recommendation.
Gas spring replacement tool
Replacing an old spring? Just enter the article number or partial code and we’ll find a compatible product for you.
Gas spring configurator
Already know what you need? Use our configurator to build your custom gas spring by selecting the size, force and materials. Visualise your choice in 3D before ordering.
Tips for accurate gas spring measurement
Here’s what you need to measure accurately before using a gas spring size chart:
- Extended length: from centre of one end fitting to the other when fully extended.
- Stroke: difference between extended and compressed length.
- Force: check the old spring (usually in Newtons) or calculate it with our tool.
- Mounting orientation: gas springs should be installed rod-down for proper lubrication and longer life.
Always double-check your results, and if in doubt, contact our support team.
Still unsure? We’re here to help
Choosing the right size gas spring can feel overwhelming, especially if you’re dealing with custom or older equipment. That’s why our technical support team is ready to assist. Send us your current measurements, photos, or just describe the application—we’ll help you find the perfect gas spring in no time.
Frequently asked questions
Where can I find a gas spring size chart?
You can find our complete gas spring size chart by visiting our configurator tool, which includes all available sizes and specifications. It’s interactive and lets you preview different combinations.
How do I measure a gas spring?
Measure the extended length from end to end (including mounting points), and the stroke by subtracting the compressed length from the extended length. Also note the diameter of the rod and tube.
What do the numbers like 8/19 mean on a gas spring?
This refers to the diameter of the piston rod (8 mm) and the cylinder (19 mm). Larger diameters typically mean higher strength and force capacity.
Can I choose a gas spring size manually?
Yes, but it’s best to use a gas spring calculator to ensure the force and size match your application. Manual selection can be risky if you’re unsure about the forces involved.
What if I can’t find the exact same size?
Our replacement tool can help you find alternatives. Many gas spring sizes are interchangeable as long as the mounting, stroke, and force match.
