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Linear Spring Calculations

Compression Springs Compression Springs

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!

Outside Diameter
to
Inside Diameter
to
Free Length
to
Wire Diameter
to
Total Coils
to
Rate
to
Material Type
Max. Load
to
Max. Deflection
to
Solid Height
to
*Required Field
Extension Springs Extension Springs

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!

Outside Diameter
to
Length Inside Hook
to
Wire Diameter
to
Max. Load
to
Max. Deflection
to
Initial Tension
to
Rate
to
Material Type
*Required Field
Torsion Springs Torsion Springs

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!

Outside Diameter
to
Inside Diameter
to
Total Coils
to
Free Position
to
Wire Diameter
to
Body Length
to
Max. Torque
to
Max. Deflection
to
Rate
to
Leg Length
to
Material Type
*Required Field

Definition: The calculation of the formulas which make up a linear spring design.

Linear spring calculations can be a hard task if you do not have all of the proper information needed. You must have the correct formulas and all of the information needed to fill in those formulas. Once you have gathered that information, you may actually begin the linear spring calculations. With our linear spring calculator, Spring Creator, you are able to calculate all of your linear spring's physical dimensions, travel and load capacities, and even factors that are helpful for the manufacturing phase of your spring like spring index.

Spring Creator allows you to calculate your spring design using only a few of your linear spring's dimensions. The diagram at the bottom shows the example of a compression spring. The formula provided to calculate rate may be used in two scenarios:

  1. You have a linear spring and you already know how much load will make it travel down to a required loaded height but aren't sure of the rate.
  2. You do not yet have a linear spring and are starting a design but aren't sure how strong it needs to be in terms of spring rate.

In both of these examples, you will need to know the formula provided below and in the diagram at the bottom. You must divide the load being applied by the amount of deflection. The result of this linear spring calculation is the linear spring rate.

 
 

Linear Spring Rate Formula:

Rate (k) = Load (F) ÷ Travel (x)

k = F ÷ x

Linear Compression Spring Example:

Load: 10 pounds

Deflection: 2 inches

k = 10 ÷ 2

k = 5

Linear Spring RateLinear Spring Rate

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Spring Creator 5.0 offers you the possibility to design springs that perfectly fit your needs. Our platform not only allows you to design various types of springs but also provides advanced tools like the Online Spring Force Tester to simulate and evaluate spring performance. Visualize your design in 3D, download detailed blueprints, and get instant quotes. Try it for free and discover why we are the preferred choice of engineers and makers!

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Created by Alfonso Jaramillo Jr

President Acxess Spring

Over 40 Years of Experience in Spring Engineering and Manufacturing