To find the perimeter of a square, you can use the formula:

$\text{Perimeter} = 4 \times \text{side length}$

For this square, the side length is given as 19 inches. Thus, the perimeter is:

$\text{Perimeter} = 4 \times 19 = 76 \text{ inches}$

The answer is: 76 inches.

Would you like more details or have any questions?

Here are 5 related questions:

1. What is the formula for calculating the area of a square?
2. If the side length of a square is doubled, how does the perimeter change?
3. How do you convert the perimeter from inches to feet?
4. What would be the perimeter if the side length were given in centimeters?
5. How can you find the side length of a square if you know its perimeter?

Tip: When dealing with units, make sure all measurements are in the same unit system before performing calculations!