Square Feet to Square Miles Converter

Instantly convert Square Feet (ft²) to Square Miles (mi²). Free online converter with formula and table.

ft²
mi²
1 ft² = 0.00000003587 mi²
1 Square Foot = 0.00000003587 square miles
1 Square Mile = 27,878,400 square feet

Square Feet to Square Miles Conversion Table

Square Feet (ft²)Square Miles (mi²)
1,0000.0000358701
5,0000.0001793503
10,0000.0003587006
50,0000.0017935032
100,0000.0035870064
500,0000.017935
1,000,0000.03587

How to Convert Square Feet to Square Miles

mi² = ft² × 0.00000003587

Example

Convert 10 square feet to square miles:

10 ft² × 0.00000003587 = 0.0000003587 mi²

About These Units

Frequently Asked Questions

How many Square Miles are in a Square Foot?

There are 0.00000003587 Square Miles in one Square Foot.

How do I convert Square Feet to Square Miles?

To convert Square Feet to Square Miles, multiply the value in Square Feet by 0.00000003587. For example, 10 Square Feet = 10 × 0.00000003587 = 0.0000003587 Square Miles.

What is the formula to convert Square Feet to Square Miles?

The formula is: Square Miles (mi²) = Square Feet (ft²) × 0.00000003587

How do I convert Square Miles back to Square Feet?

To convert Square Miles to Square Feet, multiply by 27,878,400 (or divide by 0.00000003587).