Square inches to square meters

square meters = square inches × 0.00064516

How to convert square inches to square meters

One square inch is 0.00064516 square meters, so multiply the number of square inches by 0.00064516. For example, 20 square inches is 20 × 0.00064516 = 0.0129032 square meters. To go back, divide by the same number, or multiply by 1,550.

Quick estimate

Multiplying by about 0.0006 gets within 7.0% 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 inches	square meters
1 in2	0.00064516 m2
2 in2	0.00129032 m2
3 in2	0.00193548 m2
4 in2	0.00258064 m2
5 in2	0.0032258 m2
6 in2	0.00387096 m2
7 in2	0.00451612 m2
8 in2	0.00516128 m2
9 in2	0.00580644 m2
10 in2	0.0064516 m2
11 in2	0.00709676 m2
12 in2	0.00774192 m2
13 in2	0.00838708 m2
14 in2	0.00903224 m2
15 in2	0.0096774 m2
16 in2	0.01032256 m2
17 in2	0.01096772 m2
18 in2	0.01161288 m2
19 in2	0.01225804 m2
20 in2	0.0129032 m2
25 in2	0.016129 m2
30 in2	0.0193548 m2
40 in2	0.0258064 m2
50 in2	0.032258 m2
60 in2	0.0387096 m2
70 in2	0.0451612 m2
75 in2	0.048387 m2
80 in2	0.0516128 m2
90 in2	0.0580644 m2
100 in2	0.064516 m2
120 in2	0.0774192 m2
150 in2	0.096774 m2
200 in2	0.129032 m2
250 in2	0.16129 m2
300 in2	0.193548 m2
400 in2	0.258064 m2
500 in2	0.32258 m2
750 in2	0.48387 m2
1,000 in2	0.64516 m2
1,500 in2	0.96774 m2
2,000 in2	1.29032 m2
5,000 in2	3.2258 m2
10,000 in2	6.4516 m2

Questions

How many square meters are in a square inch?

0.00064516 square meters.

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

Put the value in A1 and type =A1*0.00064516, 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.