Convert square inches to square meters
Enter a square inches value below and convert to square meters
in²
1 square inch ≈
0.000645 square meters
* rounded result
Select how many decimal places the result will be rounded to:
How to convert square inches to square meters
To convert square inches to square meters, multiply a square inches value by 0.00064516.
Formula m² = in² × 0.00064516
Example: Convert 5 square inches to square meters Calculations: 5 in² × 0.00064516 ≈ 0.003226 m²
Square inch (in²)
The square inch is the imperial and US customary systems unit of area, defined as the area of a square with sides of 1 inch. It is approximately equal to 0.000645 square meters.
Square meter (m²)
The square meter is a unit of area in the metric system, defined as the area of a square with sides of 1 meter. It is approximately equal to 10.7639 square feet.