Square Centimeters to Square Inches Converter

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

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1 sq cm = 0.155 sq in

Do you want to convert square inches to square centimeters?

How to Convert Square Centimeters to Square Inches

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Joe is the creator of Inch Calculator and has over 20 years of experience in engineering and construction. He holds several degrees and certifications.

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To convert a measurement in square centimeters to a measurement in square inches, multiply the area by the following conversion ratio: 0.155 square inches/square centimeter.

Since one square centimeter is equal to 0.155 square inches, you can use this simple formula to convert:

square inches = square centimeters × 0.155

The area in square inches is equal to the area in square centimeters multiplied by 0.155.

For example, here's how to convert 5 square centimeters to square inches using the formula above.
square inches = (5 sq cm × 0.155) = 0.775002 sq in
conversion scale showing square centimeters and equivalent square inches area values

How Many Square Inches Are in a Square Centimeter?

There are 0.155 square inches in a square centimeter, which is why we use this value in the formula above.

1 sq cm = 0.155 sq in

Square centimeters and square inches are both units used to measure area. Keep reading to learn more about each unit of measure.

What is a Square Centimeter?

One square centimeter is equivalent to the area of a square with 1 centimeter long sides. One square centimeter is equal to 0.155 square inches or 1/10,000 of a square meter.

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 hundredths, or 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.

Learn more about square centimeters.

What is a Square Inch?

One square inch is equivalent to the area of a square with sides that are each 1 inch in length. One square inch is equal to 1/144 of a square foot or 1/1,296 of a square yard.

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.

Learn more about square inches.

Square Centimeter to Square Inch Conversion Table

Table showing various square centimeter measurements converted to square inches.
Square Centimeters Square Inches
1 sq cm 0.155 sq in
2 sq cm 0.310001 sq in
3 sq cm 0.465001 sq in
4 sq cm 0.620001 sq in
5 sq cm 0.775002 sq in
6 sq cm 0.930002 sq in
7 sq cm 1.085 sq in
8 sq cm 1.24 sq in
9 sq cm 1.395 sq in
10 sq cm 1.55 sq in
11 sq cm 1.705 sq in
12 sq cm 1.86 sq in
13 sq cm 2.015 sq in
14 sq cm 2.17 sq in
15 sq cm 2.325 sq in
16 sq cm 2.48 sq in
17 sq cm 2.635 sq in
18 sq cm 2.79 sq in
19 sq cm 2.945 sq in
20 sq cm 3.1 sq in
21 sq cm 3.255 sq in
22 sq cm 3.41 sq in
23 sq cm 3.565 sq in
24 sq cm 3.72 sq in
25 sq cm 3.875 sq in
26 sq cm 4.03 sq in
27 sq cm 4.185 sq in
28 sq cm 4.34 sq in
29 sq cm 4.495 sq in
30 sq cm 4.65 sq in
31 sq cm 4.805 sq in
32 sq cm 4.96 sq in
33 sq cm 5.115 sq in
34 sq cm 5.27 sq in
35 sq cm 5.425 sq in
36 sq cm 5.58 sq in
37 sq cm 5.735 sq in
38 sq cm 5.89 sq in
39 sq cm 6.045 sq in
40 sq cm 6.2 sq in

More Square Centimeter & Square Inch Conversions