The following table shows the precision and approximate ranges for the floating-point types.
| Type | Approximate range | Precision | 
|---|---|---|
| ±1.5e−45 to ±3.4e38 | 7 digits | |
| ±5.0e−324 to ±1.7e308 | 15-16 digits | 
See Also
Reference
Built-In Types Table (C# Reference)
Integral Types Table (C# Reference)
Concepts
Other Resources
Default Values Table (C# Reference)