Acres to Square Miles Converter
Convert acres (ac) to square miles (mi²) instantly with precise calculations
Acres to Square Miles Converter
About Acres to Square Miles Conversion
Converting acres to square miles is useful for large land areas and geographic measurements. One acre equals approximately 0.00156 square miles, with 640 acres making up exactly one square mile.
Conversion Formula
Square Miles = Acres ÷ 640
Common Acres to Square Miles Conversions
160 acres
0.25 mi²
320 acres
0.5 mi²
640 acres
1 mi²
1,280 acres
2 mi²
When to Convert Acres to Square Miles
- •Large ranch and farm property measurements
- •Geographic and topographic surveys
- •Municipal and county planning applications
- •Environmental conservation area calculations