Boolean

Depends on implementing platform

True or False

Byte

1 byte

0 through 255 (unsigned)

Char

2 bytes

0 through 65535 (unsigned)

DateTime

8 bytes

0:00:00 (midnight) 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 (+/-7.9...E+28) ^? with no decimal point; 0 through +/-7.9228162514264337593543950335 with 28 places to the right of the decimal;

smallest nonzero number is +/-0.0000000000000000000000000001 (+/-1E-28) ^?

Double

8 bytes

-1.79769313486231570E+308 through -4.94065645841246544E-324 ^? for negative values;

4.94065645841246544E-324 through 1.79769313486231570E+308 ^? for positive values

Int32

4 bytes

-2,147,483,648 through 2,147,483,647 (signed)

Int64

8 bytes

-9,223,372,036,854,775,808 through 9,223,372,036,854,775,807 (9.2...E+18 ^?) (signed)

Object (class)

4 bytes on 32-bit platform

8 bytes on 64-bit platform

Any type can be stored in a variable of type Object

SByte

1 byte

-128 through 127 (signed)

Int16

2 bytes

-32,768 through 32,767 (signed)

Single

4 bytes

-3.4028235E+38 through -1.401298E-45 ^? for negative values;

1.401298E-45 through 3.4028235E+38 ^? for positive values

String (class)

Depends on implementing platform

0 to approximately 2 billion Unicode characters

UInt32

4 bytes

0 through 4,294,967,295 (unsigned)

UInt64

8 bytes

0 through 18,446,744,073,709,551,615 (1.8...E+19 ^?) (unsigned)

(inherits from ValueType)

Depends on implementing platform

Each member of the structure has a range determined by its data type and independent of the ranges of the other members

UInt16

2 bytes

0 through 65,535 (unsigned)