Data type | Storage size | Range | ||
Byte | 1 byte | 0 to 255 | ||
Boolean | 2 bytes | True or False |
Data type | Storage size | Range | |
Integer | 2 bytes | –32,768 to 32,767 | |
Long (Long Integer) | 4 bytes | –2,147,483,648 to 2,147,483,647 | |
Single (single-precision floating-point) | 4 bytes | –3.402823E38 to –1.401298E–45 for negative values; 1.401298E–45 to 3.402823E38 for positive values | |
Double (double-precision floating-point) | 8 bytes | –1.79769313486232E308 to –4.94065645841247E–324 for negative values; 4.94065645841247E–324 to 1.79769313486232E308 for positive values | |
Currency (scaled integer) | 8 bytes | –922,337,203,685,477.5808 to 922,337,203,685,477.5807 | |
Decimal | 14 bytes | +/-79,228,162,514,264,337,593,543,950,335 with no decimal point; +/-7.9228162514264337593543950335 with 28 places to the right of the decimal; smallest non-zero number is +/-0.0000000000000000000000000001 | |
Date | 8 bytes | January 1, 100 to December 31, 9999 | |
Object | 4 bytes | Any Object reference | |
String (variable-length) | 10 bytes + string length | 0 to approximately 2 billion | |
String (fixed-length) | Length of string | 1 to approximately 65,400 | |
Variant (with numbers) | 16 bytes | Any numeric value up to the range of a Double | |
Variant (with characters) | 22 bytes + string length | Same range as for variable-length String | |
User-defined (using Type) | Number required by elements | The range of each element is the same as the range of its data type. |