Sway Bar Calculator
Calculate sway bar stiffness, roll gradient, and compare solid vs hollow anti-roll bar performance.
Bar Specifications
Vehicle Parameters
Spring Rates
Bar Roll Stiffness
784.8 Nm/deg
Rate at wheel: 11.40 N/mm
Roll Gradient
Current Roll Gradient0.00 deg/g
Total Roll Stiffness4474510.9 Nm/deg
Required Diameter0.0 mm
Roll Stiffness Breakdown
Front Springs2408929.4 Nm/deg
Rear Springs2064796.7 Nm/deg
Sway Bar784.8 Nm/deg
Bar Properties
Torsional Stiffness59.0 Nm/deg
Polar Moment (J)38350 mm⁴
Weight Comparison
Solid Bar Weight3.47 kg
Stress Check
Max Shear Stress: 559.6 MPa
Consider larger diameter