The following table shows the Visual Basic .NET data types, their supporting common language runtime types, their nominal storage allocation, and their value ranges.
| Visual Basic type | Nominal storage allocation | Value range |
|---|---|---|
| Boolean | 1 byte | True or False. |
| Byte | 1 byte | 0 through 255 (unsigned). |
| Date | 8 bytes | 0:00:00 on January 1, 0001 through 11:59:59 PM on December 31, 9999. |
| Decimal | 16 bytes |
0 through
+/-79,228,162,514,264,337,593,543,950,335 with no decimal point; 0 through +/-7.9228162514264337593543950335 with 28 places to the right of the decimal. |
|
Double (double-precision floating-point) |
8 bytes | 13 digits of accuracy |
| Integer | 4 bytes | -2,147,483,648 through 2,147,483,647. |
|
Long (long integer) |
8 bytes | -9,223,372,036,854,775,808 through 9,223,372,036,854,775,807. |
| Short | 2 bytes | -32,768 through 32,767. |
|
Single (single-precision floating-point) |
4 bytes | 6 digits of accuracy |
|
String (variable-length) |
Depends on implementing platform | 0 to approximately 2 billion characters (Alphanumeric/letters/digits) |