# Sandbox.SandboxSystemExtensions.ToDecimal

```csharp
static decimal ToDecimal(string str, decimal Default = default)
```

128-bit data type that returns sane results for almost any input.
All other numeric types can cast from this.

### Parameters

- `str` (`string`)
- `Default` (`decimal`), default `default`

### Returns

`decimal`

Declared in [Sandbox.SandboxSystemExtensions](/api/Sandbox.SandboxSystemExtensions).
Assembly: `Sandbox.System`.