The image below represents square miles to square feet.

To convert square miles to square feet, one essential parameter is needed and this parameter is **Unit Value.**

The formula for converting square miles to square feet:

1 Square Mile = 27878400 Square Feet

Let’s solve an example;

Find the conversion of square miles to square feet when the unit value is 22.

1 Square Mile = 27878400 Square Feet

Then,

22 Square Miles = (22 x 27878400) Square Feet

22 Square Miles = 613324800 Square Feet

Therefore, the **square feet **is **613324800.**