Square Inches to Square Centimeters Conversion
Enter the area in square inches below to get the value converted to square centimeters.
How to Convert Square Inches to Square Centimeters
To convert a square inch measurement to a square centimeter measurement, multiply the area by the conversion ratio.
Since one square inch is equal to 6.4516 square centimeters, you can use this simple formula to convert:
The area in square centimeters is equal to the square inches multiplied by 6.4516.

Square inches and square centimeters are both units used to measure area. Keep reading to learn more about each unit of measure.
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 Centimeters
One square centimeter is equal to the area of a square with 1 centimeter long sides.
The square centimeter, or square centimetre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "centi" is the prefix for 10-2. A square centimeter is sometimes also referred to as a square cm. Square centimeters can be abbreviated as sq cm, and are also sometimes abbreviated as cm². For example, 1 square centimeter can be written as 1 sq cm or 1 cm².
Square Inch to Square Centimeter Conversion Table
Square Inches | Square Centimeters |
---|---|
1 sq in | 6.4516 sq cm |
2 sq in | 12.9 sq cm |
3 sq in | 19.35 sq cm |
4 sq in | 25.81 sq cm |
5 sq in | 32.26 sq cm |
6 sq in | 38.71 sq cm |
7 sq in | 45.16 sq cm |
8 sq in | 51.61 sq cm |
9 sq in | 58.06 sq cm |
10 sq in | 64.52 sq cm |
11 sq in | 70.97 sq cm |
12 sq in | 77.42 sq cm |
13 sq in | 83.87 sq cm |
14 sq in | 90.32 sq cm |
15 sq in | 96.77 sq cm |
16 sq in | 103.23 sq cm |
17 sq in | 109.68 sq cm |
18 sq in | 116.13 sq cm |
19 sq in | 122.58 sq cm |
20 sq in | 129.03 sq cm |
21 sq in | 135.48 sq cm |
22 sq in | 141.94 sq cm |
23 sq in | 148.39 sq cm |
24 sq in | 154.84 sq cm |
25 sq in | 161.29 sq cm |
26 sq in | 167.74 sq cm |
27 sq in | 174.19 sq cm |
28 sq in | 180.64 sq cm |
29 sq in | 187.1 sq cm |
30 sq in | 193.55 sq cm |
31 sq in | 200 sq cm |
32 sq in | 206.45 sq cm |
33 sq in | 212.9 sq cm |
34 sq in | 219.35 sq cm |
35 sq in | 225.81 sq cm |
36 sq in | 232.26 sq cm |
37 sq in | 238.71 sq cm |
38 sq in | 245.16 sq cm |
39 sq in | 251.61 sq cm |
40 sq in | 258.06 sq cm |
More Square Inch & Square Centimeter Conversions
- square inches to square miles
- square inches to acres
- square inches to square yards
- square inches to square feet
- square inches to square kilometers
- square inches to square meters
- square inches to square millimeters
- square inches to hectares
- square inches to ares
- square miles to square centimeters
- acres to square centimeters
- square yards to square centimeters
- square feet to square centimeters
- square kilometers to square centimeters
- square meters to square centimeters
- square millimeters to square centimeters
- hectares to square centimeters
- ares to square centimeters