# Number of Bytes
> Size (in bytes) of a 32-bit unsigned integer.
## Usage
```javascript
var UINT32_NUM_BYTES = require( '@stdlib/constants/uint32/num-bytes' );
```
#### UINT32_NUM_BYTES
Size (in bytes) of a 32-bit unsigned integer.
```javascript
var bool = ( UINT32_NUM_BYTES === 4 );
// returns true
```
## Examples
```javascript
var UINT32_NUM_BYTES = require( '@stdlib/constants/uint32/num-bytes' );
console.log( UINT32_NUM_BYTES );
// => 4
```