# Number of Bytes
> Size (in bytes) of a 32-bit signed integer.
## Usage
```javascript
var INT32_NUM_BYTES = require( '@stdlib/constants/int32/num-bytes' );
```
#### INT32_NUM_BYTES
Size (in bytes) of a 32-bit signed integer.
```javascript
var bool = ( INT32_NUM_BYTES === 4 );
// returns true
```
## Examples
```javascript
var INT32_NUM_BYTES = require( '@stdlib/constants/int32/num-bytes' );
console.log( INT32_NUM_BYTES );
// => 4
```