# Square Inches to Square Meters Conversion

Enter the area in square inches below to get the value converted to square meters.

Results in Square Meters: 1 sq in = 0.000645 sq m

## How to Convert Square Inches to Square Meters

To convert a square inch measurement to a square meter measurement, multiply the area by the conversion ratio.

Since one square inch is equal to 0.000645 square meters, you can use this simple formula to convert:

square meters = square inches × 0.000645

The area in square meters is equal to the square inches multiplied by 0.000645.

For example, here's how to convert 5,000 square inches to square meters using the formula above.
5,000 sq in = (5,000 × 0.000645) = 3.2258 sq m

## Square Inches

One square inch is equal to the area of a square with sides that are 1 inch in length.

The square inch is a US customary and imperial unit of area. A square inch is sometimes also referred to as a square in. Square inches can be abbreviated as sq in, and are also sometimes abbreviated as in². For example, 1 square inch can be written as 1 sq in or 1 in².

## Square Meters

One square meter is equal to the area of a square with sides that are 1 meter in length.

The square meter, or square metre, is the SI derived unit for area in the metric system. A square meter is sometimes also referred to as a square m. Square meters can be abbreviated as sq m, and are also sometimes abbreviated as . For example, 1 square meter can be written as 1 sq m or 1 m².

Try our square meters calculator to calculate the area of a space.

## Square Inch to Square Meter Conversion Table

Square inch measurements converted to square meters
Square Inches Square Meters
1 sq in 0.000645 sq m
2 sq in 0.00129 sq m
3 sq in 0.001935 sq m
4 sq in 0.002581 sq m
5 sq in 0.003226 sq m
6 sq in 0.003871 sq m
7 sq in 0.004516 sq m
8 sq in 0.005161 sq m
9 sq in 0.005806 sq m
10 sq in 0.006452 sq m
20 sq in 0.012903 sq m
30 sq in 0.019355 sq m
40 sq in 0.025806 sq m
50 sq in 0.032258 sq m
60 sq in 0.03871 sq m
70 sq in 0.045161 sq m
80 sq in 0.051613 sq m
90 sq in 0.058064 sq m
100 sq in 0.064516 sq m
200 sq in 0.129032 sq m
300 sq in 0.193548 sq m
400 sq in 0.258064 sq m
500 sq in 0.32258 sq m
600 sq in 0.387096 sq m
700 sq in 0.451612 sq m
800 sq in 0.516128 sq m
900 sq in 0.580644 sq m
1,000 sq in 0.64516 sq m
2,000 sq in 1.2903 sq m
3,000 sq in 1.9355 sq m
4,000 sq in 2.5806 sq m
5,000 sq in 3.2258 sq m
6,000 sq in 3.871 sq m
7,000 sq in 4.5161 sq m
8,000 sq in 5.1613 sq m
9,000 sq in 5.8064 sq m
10,000 sq in 6.4516 sq m

## References

1. Collins Dictionary, Definition of 'square meter', https://www.collinsdictionary.com/us/dictionary/english/square-meter