# Sandbox.Physics.UprightJoint.DampingRatio

```csharp
float DampingRatio { get; set; }
```

The spring damping ratio (non-dimensional).
A value of 1 is critically damped; values below 1 are under-damped (springy).

Declared in [Sandbox.Physics.UprightJoint](/api/Sandbox.Physics.UprightJoint).
Assembly: `Sandbox.Engine`.