Square yards to square miles

square miles = square yards × 3.228306e-7

How to convert square yards to square miles

One square yard is 3.228306e-7 square miles, so multiply the number of square yards by 3.228306e-7. For example, 20 square yards is 20 × 3.228306e-7 = 0.00000646 square miles. To go back, divide by the same number, or multiply by 3,097,600.

Quick estimate

Multiplying by about 3e-7 gets within 7.1% 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 yards	square miles
1 yd2	3.228306e-7 mi2
2 yd2	6.456612e-7 mi2
3 yd2	9.684917e-7 mi2
4 yd2	0.00000129 mi2
5 yd2	0.00000161 mi2
6 yd2	0.00000194 mi2
7 yd2	0.00000226 mi2
8 yd2	0.00000258 mi2
9 yd2	0.00000291 mi2
10 yd2	0.00000323 mi2
11 yd2	0.00000355 mi2
12 yd2	0.00000387 mi2
13 yd2	0.0000042 mi2
14 yd2	0.00000452 mi2
15 yd2	0.00000484 mi2
16 yd2	0.00000517 mi2
17 yd2	0.00000549 mi2
18 yd2	0.00000581 mi2
19 yd2	0.00000613 mi2
20 yd2	0.00000646 mi2
25 yd2	0.00000807 mi2
30 yd2	0.00000968 mi2
40 yd2	0.00001291 mi2
50 yd2	0.00001614 mi2
60 yd2	0.00001937 mi2
70 yd2	0.0000226 mi2
75 yd2	0.00002421 mi2
80 yd2	0.00002583 mi2
90 yd2	0.00002905 mi2
100 yd2	0.00003228 mi2
120 yd2	0.00003874 mi2
150 yd2	0.00004842 mi2
200 yd2	0.00006457 mi2
250 yd2	0.00008071 mi2
300 yd2	0.00009685 mi2
400 yd2	0.00012913 mi2
500 yd2	0.00016142 mi2
750 yd2	0.00024212 mi2
1,000 yd2	0.00032283 mi2
1,500 yd2	0.00048425 mi2
2,000 yd2	0.00064566 mi2
5,000 yd2	0.00161415 mi2
10,000 yd2	0.00322831 mi2

Questions

How many square miles are in a square yard?

3.228306e-7 square miles.

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

Put the value in A1 and type =A1*3.228306e-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.