Compression spring calculator
Calculate spring rate, maximum safe load, deflection and stress for your compression spring. Enter the dimensions and get engineering results instantly.
mm
mm
mm
Result
Spring rate25.881 lbf/in [4.53 N/mm]
Max safe load30.381 lbf [135.14 N]
Max safe deflection1.174 in [29.82 mm]
Solid height0.630 in [16.00 mm]
Spring index9.00
Enter wire diameter, outer diameter, free length and coil count. The calculator applies the Wahl factor and automatically validates spring index and shear stress.
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