Spring Calculator - Design Your Spring Online
Table of Contents:
- What is a Spring Calculator?
- Spring Calculator, Design Your Spring Online
- How to Design a Spring?
- Introduction to Spring Creator 5.0 Spring Calculator
- Example Compression Spring Calculation using the Spring Calculator:
- My compression spring criteria
- How to Run a Compression Spring Calculation on the spring calculator
- Filter down the compression spring calculation results fast!
- Here is your ideal compression spring because it covers all your criteria
- Example Extension Spring Calculation using the Spring Calculator:
- My extension spring criteria
- How to Run a Extension Spring Calculation on the spring calculator
- Filter down the extension spring calculation results fast!
- Here is your ideal extension spring because it covers all your criteria
- Example Torsion Spring Calculation using the Spring Calculator:
- My torsion spring criteria:
- How to Run a Torsion Spring Calculation on the spring calculator
- Filter down the torsion spring calculation results fast!
- Here is your ideal torsion spring because it covers all your criteria
- Here is a list of additional spring calculators for every spring need
- Conclusion
Spring Calculator
Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!
Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!
Attention! Input results shown will be +/- 10% from middle value. Hint: The closer your min and max inputs are, the more accurate your results will be!
A software program that designs custom compression, extension and torsion springs. A spring calculator determines spring rate, spring constant, the springs maximum distance traveled and the springs maximum load or force. The spring calculator also produces custom spring 3D CAD files as well as blueprints and spec sheets and 3D views of your spring. The spring calculator also calculates the spring index and the spring weight.


Designing a spring can be tricky, but The Spring Stores online tools make it simple. With cutting-edge online software like Spring Creator 5.0 spring calculator which utilizes the spring force formula and hooke's law spring equations to design compression, torsion, and extension springs. Here's how our spring calculator empowers you to design your ideal spring online.
How to Design a Spring?
Spring Creator Calculator 5.0 is your go-to solution for accurate spring design. It offers a user-friendly platform for crafting compression, extension and torsion springs, allowing you to tweak parameters such as wire diameter, outer diameter, free length and total coils with ease. This comprehensive spring calculator tool incorporates the spring constant equation and spring compression formula, helping you optimize your spring designs while reducing prototyping errors.
Our compression spring calculator works By entering various input parameters such as wire diameter, outer diameter, number of coils, users can obtain all the crucial technical data such as spring rate (or spring constant), maximum spring load capacity, and safe spring travel limits. This is the best robust spring calculator on the internet that gives you custom spring 3D CAD files, blueprints/spec sheets and an online spring force tester to test your spring force visually. By imputing just 4 inputs such as wire diameter, outer diameter, free length and total coils. The user will discover over 21 key spring parameters that explain every technical detail about your spring.
I need a compression spring that can go over a ⅜ shaft or 0.375 inches. This means I need a spring Inner Diameter of at least 0.400 inches so the spring can go over the shaft smoothly with no friction.
I need a compression spring to have at least a 3.000" Free Length.
I also need this compression spring to give me 1.500 inches of compression travel distance.
I need this compression spring to give me a load of 8 lbs or greater at the 1.500 inches of travel or loaded height.
Our compression spring calculator lets you run a range calculation giving the user a lot more options than just one spring design. With this in mind it's good to enter minimums and maximum inputs for your spring calculation.
Click on the Compression Spring Icon and move the slider bar to “Inner Diameter” then enter 0.400 inches as “Minimum” then enter 0.500 as Maximum” In the Free Length inputs enter 2.800 inches as “Minimum” and 3.250 inches as a Maximum. Then click calculate.


- Your compression spring calculation retrieved 305 results.
- From this point click “Add Filter” then choose “Inner Diameter” and enter between 0.427 inches and 0.473 inches.
- Then choose “Free Length” and enter between 3.020 and 3.020 inches.
- Then choose Maximum Deflection (Travel) and enter between 1.585 and 1.6262 inches
Your results will dwindle down to 4 entries on the list of possible candidates for your perfect spring. Your Ideal spring is The Spring Store's Part Number AC045-551-10000-MW-3020-CG-N-IN.


Example Part is Spring Creator Part Number AC045-551-10000-MW-3020-CG-N-IN


Compression Spring calculator creates custom spring 3D CAD Files with over 70 trillion spring configurations
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The Spring Stores Part Number AC045-551-10000-MW-3020-CG-N-IN |
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This compression springs inner diameter is greater than 0.400 inches, it is 0.461 inches a great fit over a 0.375 diameter shaft |
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This springs free length is 3.020 satisfying our need for a 3.000 long spring
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This springs maximum travel or deflection is 1.622 satisfying our need for 1.500 inches of travel |
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This springs load is 8.64 lbs at 1.520 inches of travel satisfying our need for a load greater than 8 lbs |
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The online force tester shows the Load 1 of 8.640 lbs of force at 1.520 inches of travel for this spring |
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This compression spring has a rate of 5.68 lbf/in of compression
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Our Compression spring has a load of 8.640 lbs of force at 1.500 inches of loaded height thus achieving our criteria of a load of 8 pounds or greater.


The best Spring Calculator gives you free 3D Blueprints
“More importantly Spring Creator Calculator gives you hundreds if not thousands of compression spring design options from one calculation”.
Easily filter your results for quick spring finding. You will always get springs very close to what you're looking for as well as weaker and stronger spring options.
Example Part is Spring Creator Part Number AE055-495-42272-MW-3150-CO-N-IN
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The Spring Store Part Number AE055-495-42272-MW-3150-CO-N-IN |
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This extension spring needs to have an outer diameter between 0.450 and 0.500 inches |
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This extension spring needs to stretch 2.500 inches safely
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This extension spring needs to give me between 10 and 12 pounds of load at 2.500 inches of stretch travel (deflection)
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Our extension spring calculator lets you run a range calculation giving the user a lot more options than just one extension spring design. With this in mind it's good to enter minimums and maximum inputs for your extension spring calculation.
Click on the Extension Spring Icon and enter the wire diameter 0.060 inches, then enter the outer diameter as “Minimum” 0.500 inches then enter 0.600 inches as a "Maximum” this will give you a good range of results. In the length inside hook inputs enter 3.000 inches as “Minimum” and 4.000 inches as a Maximum. Then click calculate.


Your extension spring calculation returned 648 results. From there, use the Filters for easy spring finding. Choose “Add Filter”, then select the Outer Diameter filter and click between 0.495 and 0.495 inches, then choose the Max Deflection filter and select between 3.2963 and 3.3063 inches.


See your extension spring calculation come to life with spring force tester

Your results will dwindle down to 2 entries on the list of possible candidates for your perfect spring. Your ideal spring is The Spring Store’s Part Number AE055-495-42272-MW-3150-CO-N-IN.
Because it covers all the criteria that we need below.
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The Spring Store Part Number AE055-495-42272-MW-3150-CO-N-IN |
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This extension spring has an outer diameter of 0.495 inches thus meeting our criteria |
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This extension spring has can stretch or travel 2.500 inches which meets our criteria |
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This extension spring has a load of 11.278 pounds at 2.500 inches of travel stretch which for sure meets our extension spring criteria of between a 10 and 12 pound load at 2.500 inches of pull stretch travel. Thus meeting our criteria.
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Get PDF Spec Sheets and Blueprints from our Spring Calculator
More importantly, Spring Creator Calculator gives you hundreds if not thousands of extension spring design options from one extension spring calculation. Easily filter your results for quick spring finding. You will always get extension springs very close to what you're looking for as well as weaker and stronger spring options.
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I need the torsion spring inner diameter to work freely over a 0.375 diameter rod. That means my torsion springs inner diameter needs to be at least 0.430 inches minimum to 0.450 inches maximum. |
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I need the torsion spring to have a preload of 45 degrees then full travel of 90 degrees. I need the torsion spring to have a torque of between 7 and 8 inch-pounds of torque at 90 degrees of travel. |
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I need the torsion spring to have both legs of 0.750 inches long |
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I need the torsion spring to be made out of Music Wire ASTM A228 |
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I need the torsion spring to be right hand wound |
Our Torsion spring calculator lets you run a range calculation giving the user a lot more options than just one torsion spring design. With this in mind it's good to enter minimums and maximum inputs for your extension spring calculation.
Click on the Torsion Spring Icon and enter the wire diameter from 0.080 thousands of an inch as a minimum, then enter 0.090 thousands of an inch as a maximum. Then enter the outer diameter as “Minimum” 0.600 thousands of an inch, then enter 0.700 thousands of an inch as a "Maximum”. This will give you a good range of results. In the leg length inputs, enter 0.750 inches to 0.750 thousands of an inch, then click Calculate.




Your torsion spring calculation returned 900 results. From there, use the filters for easy spring finding. Choose “Add Filter”, then choose the “Max Defl / Trvl” filter, click between 104 and 133 degrees of travel, then choose “Max Torque” filter and choose between 9.2 and 10 inch lbs of torque, then choose Inner Diameter (ID) and click between 0.439 and 0.453 inches of inner diameter.
Your results will dwindle down to 6 entries on the list of possible candidates for your perfect spring. Your Ideal spring is Spring Creator Part Number AT080-601-7000-MW-RH-1750-N-IN.
Because it covers all the torsion spring criteria that we need below.
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This torsion has an inner diameter of 0.426 inches thus will work freely over a 0.375 diameter rod giving me 0.025 thousands of inch clearance on both sides of the rod, achieving the criteria for inner diameter |
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This torsion spring will safely travel or deflect to 45 and 90 degrees without reaching its maximum deflection of 108 degrees of travel. Thus meeting my criteria |
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This torsion spring meets my torque criteria of between 7 and 8 inch-pounds of torque. This torsion spring gives me 7.67 inch pounds of torque at 90 degrees of travel. Thus meeting my criteria |
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This torsion spring has both leg lengths of 0.750 inches. Thus meeting my criteria |
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This torsion spring is right hand wound, thus meeting my criteria |
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This torsion spring is made out of Music Wire ASTM A228, thus meeting my criteria |
Example Part is Spring Creator Part Number AT080-601-7000-MW-RH-1750-N-IN
Get custom torsion spring 3D CAD Files generated effortlessly on our spring calculator




Get free Spec-sheets for your torsion spring calculation
More importantly Torsion Spring Creator Calculator gives you hundreds if not thousands of torsion spring design options from one easy torsion spring calculation”. Easily filter your results for quick spring finding. You will always get torsion springs very close to what you're looking for as well as weaker and stronger torsion spring options.

See your torsion spring in visual motion with our spring force tester
- Helical Compression Spring Design Calculator: A helical compression spring design calculator is a spring calculation software which calculates spring rate (or spring constant), safe travel, safe loads, and other important factors using your helical compression spring's physical dimensions like wire diameter, outer diameter, free length, total coils, and material type.
- Helical Extension Spring Design Calculator: A helical extension spring design calculator is a spring calculation software which calculates spring rate (spring constant), safe maximum deflection, safe maximum loads, and other important spring specifications using your tension spring’s physical dimensions like wire diameter, outer diameter, length inside hooks and material type.
- Spring Force Calculator Online: The spring force calculator is a specialized spring design software that determines spring force in lbs per inch or newtons per millimeter. The best spring force calculator tool is designed to assist engineers, designers, and manufacturers in the precise calculation of spring force and spring deflection. The spring force calculator tool simplifies the complex calculations required to design the force in a spring that meets specific mechanical requirements.
- Torsion Spring Torque Calculator: Torsion spring calculator programmed to automatically calculate torque values.
Harness the power of Acxess Spring's Spring Creator 5.0 online spring calculators to transform your spring design process. Whether you're crafting compression springs, torsion springs, or extension springs, this advanced free spring calculator tool will help you design your spring efficiently and accurately. Visit The Spring Store today to begin creating your spring designs online.
Enhance your projects with Spring Creator 5.0
Precision is crucial in spring design, and with Spring Creator 5.0, you can achieve it with ease. Our tool allows you to design different types of springs and offers advanced features such as instant quotes and real-time simulations with the Online Spring Force Tester. Register now and access all the benefits of our platform. Create the perfect spring and take your projects to the next level!
Created by Alfonso Jaramillo Jr
President Acxess Spring
Over 40 Years of Experience in Spring Engineering and Manufacturing
Created by Alfonso Jaramillo Jr
President Acxess Spring
40 Years Experience In Spring Engineering and Spring Manufacturing










