Square meters to square miles

square miles = square meters × 3.861022e-7

How to convert square meters to square miles

One square meter is 3.861022e-7 square miles, so multiply the number of square meters by 3.861022e-7. For example, 20 square meters is 20 × 3.861022e-7 = 0.00000772 square miles. To go back, divide by the same number, or multiply by 2,589,988.11.

Quick estimate

Multiplying by about 4e-7 gets within 3.6% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Area conversions come up when buying flooring, paint or turf, comparing house and flat sizes, and measuring land and gardens.

square meters	square miles
1 m2	3.861022e-7 mi2
2 m2	7.722043e-7 mi2
3 m2	0.00000116 mi2
4 m2	0.00000154 mi2
5 m2	0.00000193 mi2
6 m2	0.00000232 mi2
7 m2	0.0000027 mi2
8 m2	0.00000309 mi2
9 m2	0.00000347 mi2
10 m2	0.00000386 mi2
11 m2	0.00000425 mi2
12 m2	0.00000463 mi2
13 m2	0.00000502 mi2
14 m2	0.00000541 mi2
15 m2	0.00000579 mi2
16 m2	0.00000618 mi2
17 m2	0.00000656 mi2
18 m2	0.00000695 mi2
19 m2	0.00000734 mi2
20 m2	0.00000772 mi2
25 m2	0.00000965 mi2
30 m2	0.00001158 mi2
40 m2	0.00001544 mi2
50 m2	0.00001931 mi2
60 m2	0.00002317 mi2
70 m2	0.00002703 mi2
75 m2	0.00002896 mi2
80 m2	0.00003089 mi2
90 m2	0.00003475 mi2
100 m2	0.00003861 mi2
120 m2	0.00004633 mi2
150 m2	0.00005792 mi2
200 m2	0.00007722 mi2
250 m2	0.00009653 mi2
300 m2	0.00011583 mi2
400 m2	0.00015444 mi2
500 m2	0.00019305 mi2
750 m2	0.00028958 mi2
1,000 m2	0.0003861 mi2
1,500 m2	0.00057915 mi2
2,000 m2	0.0007722 mi2
5,000 m2	0.00193051 mi2
10,000 m2	0.00386102 mi2

Questions

How many square miles are in a square meter?

3.861022e-7 square miles.

How do I convert square meters to square miles in a spreadsheet?

Put the value in A1 and type =A1*3.861022e-7, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.