------------------------------------------------------------------------
Data type Storage size Range
------------------------------------------------------------------------
Byte 1 byte 0 to 255
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 -1.79769313486231E308 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 + 0 to approximately 2 billion
string length
String
(fixed-
length) Length of 1 to approximately 65,400
string
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.
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