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Difference between Int32 and UInt32 in C#

Last Updated : 15 Jul, 2025

Int32: This Struct is used to represents 32-bit signed integer. The Int32 can store both types of values including negative and positive between the ranges of -2147483648 to +2147483647.

Example :

Output:

Minimum value of Int32: -2147483648
Maximum value of Int32: 2147483647

-3
0
1
3
7

UInt32: This Struct is used to represents 32-bit unsigned integer. The UInt32 can store only positive value only which ranges from 0 to 4294967295.

Example :

Output:

Minimum value of UInt32: 0
Maximum value of UInt32: 4294967295

13
0
1
3
7

Differences between Int32 and UInt32 in C#

Sr.No

INT32

UINT32

1.

Int32 is used to represents 32-bit signed integers .UInt32 is used to represent 32-bit unsigned integers.

2.

Int32 stands for signed integer.UInt32 stands for unsigned integer.

3.

It can store negative and positive integers.It can store only positive integers.

4.

It takes 4-bytes  space in the memory.It also takes 4-bytes space in the memory.

5.

The range of Int32 is from -2147483648 to +2147483647.The UInt32 ranges from 0 to 4294967295.

 6.

 Syntax to declare the Int32 :

Int32 variable_name;

  Syntax to declare the UInt32:

UInt32 variable_name;
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