How to convert square feet to square miles?
1 Square foot is equal to 0.00000003587006428 square mile. To convert square feet to square miles, multiply the square foot value by 0.00000003587006428 or divide by 27878400.
sq feet to sq miles formula
sq mile = sq feet * 0.00000003587006428
sq mile = sq feet / 27878400
1 Square Foot = 0.00000003587006428 Square Mile
What is a Square Foot?
Square Foot is an imperial and United States Customary systems area unit. 1 sq ft = 0.00000003587006428 sq mi. The symbol is "ft²".