# Convert square inches to square miles

### square inches definition

The Square Inch is a British Imperial unit of area equal to equal to one inch by one inch square or 0.00064516 square meters.
### square miles definition

The Square Mile is a British Imperial unit of area equal to 640 acres. A Square Mile is the area enclosed by square with sides of one mile.

Please enter square inches value in the first input field, and you'll see the result value in square miles in the second field.

See also: Convert square miles to square inches

Metric Conversion