Data Type Summary

Data type

Storage size

Range

Boolean

2 bytes

True or False.

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.

Date

8 bytes

January 1, 100 to December 31, 9999.

Object

4 bytes

Any Object reference.

String

1 byte per character

0 to approximately 2 billion (approximately 65,535 for Microsoft Windows version 3.1 and earlier).

Variant

16 bytes + 1 byte for each character

Any numeric value up to the range of a Double or any character text.

User-defined
(using Type)

Number required by elements

The range of each element is the same as the range of its data type.