Square mile (mi²) to Acre (ac) converter

Converting from Square mile (mi²) to Acre (ac)

What is Square mile (mi²)

A square mile is a unit of area commonly used in the United States and United Kingdom. It is equal to the area of a square with sides that are each one mile long. One square mile is equivalent to 640 acres.

What is Acre (ac)

An acre is a unit of area commonly used in the United States and other countries for measuring land. It is defined as the area of one chain by one furlong, which is equal to 10 square chains or 160 square rods. One acre is equivalent to 0.0015625 square miles.

Conversion Formulas

To convert from square miles to acres, you can use the formula:

acres=square miles×640

To convert from acres to square miles, you can use the formula:

square miles=640acres​

Examples

  1. Converting 11 square miles to acres:

11 mi²×640=7040 ac

  1. Converting 8 acres to square miles:

6408 ac​=0.0125 mi²

  1. Converting 9 square miles to acres:

9 mi²×640=5760 ac

  1. Converting 11 acres to square miles:

64011 ac​=0.0171875 mi²

Square mile to Acre conversion table

mi² to ac conversion table

Square mile (mi²)Acre (ac)
0.01 mi²6.4 ac
0.1 mi²64 ac
1 mi²640 ac
2 mi²1 280 ac
3 mi²1 920 ac
4 mi²2 560 ac
5 mi²3 200 ac
6 mi²3 840 ac
7 mi²4 480 ac
8 mi²5 120 ac
9 mi²5 760 ac
10 mi²6 400 ac
10 mi²6 400 ac
20 mi²12 800 ac
30 mi²19 200 ac
40 mi²25 600 ac
50 mi²32 000 ac
60 mi²38 400 ac
70 mi²44 800 ac
80 mi²51 200 ac
90 mi²57 600 ac
100 mi²64 000 ac
1 000 mi²640 000 ac
2 000 mi²1 280 000 ac
3 000 mi²1 920 000 ac
4 000 mi²2 560 000 ac
5 000 mi²3 200 000 ac
6 000 mi²3 840 000 ac
7 000 mi²4 480 000 ac
8 000 mi²5 120 000 ac
9 000 mi²5 760 000 ac
10 000 mi²6 400 000 ac