Online calculator to convert square centimeters to square inches (cm2 to in2) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Area units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert cm2 to in2
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between square centimeters and square inches.
What is a square centimeter (cm2)?
A square centimeter is a unit of area in the Metric System. The symbol for square centimeter is cm2. There are 6.4516 square centimeters in a square inch. A square centimeter is calculated as the area of a square that has 1 centimeter on each side. The International spelling for this unit is square centimetre.
What is a square inch (in2)?
A square inch is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square inch is in2 or sq in. There are 0.15500031 square inches in a square centimeter. A square inch is calculated as the area of a square that has 1 inch on each side.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from cm2 to in2 is:
in2 = cm2 ÷ 6.4516
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from square centimeters to square inches (cm2 to in2).
Square Centimeter to Square Inches Conversion Example
Task: Convert 250 square centimeters to square inches (show work) Formula: cm2 ÷ 6.4516 = in2 Calculations: 250 cm2 ÷ 6.4516 = 38.7500775 in2 Result: 250 cm2 is equal to 38.7500775 in2
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from cm2 to in2.
Square Centimeters to Square Inches Conversion Chart
| square centimeters (cm2) | square inches (in2) |
|---|---|
| 1 cm2 | 0.15500031 in2 |
| 2 cm2 | 0.31000062 in2 |
| 3 cm2 | 0.46500093 in2 |
| 4 cm2 | 0.62000124 in2 |
| 5 cm2 | 0.77500155 in2 |
| 6 cm2 | 0.93000186 in2 |
| 7 cm2 | 1.08500217 in2 |
| 8 cm2 | 1.24000248 in2 |
| 9 cm2 | 1.39500279 in2 |
| 10 cm2 | 1.5500031 in2 |
| 20 cm2 | 3.1000062 in2 |
| 30 cm2 | 4.6500093 in2 |
| 40 cm2 | 6.2000124 in2 |
| 50 cm2 | 7.7500155 in2 |
| 75 cm2 | 11.62502325 in2 |
| 100 cm2 | 15.500031 in2 |
| 250 cm2 | 38.7500775 in2 |
| 500 cm2 | 77.500155 in2 |
| 750 cm2 | 116.2502325 in2 |
| 1,000 cm2 | 155.00031 in2 |
| 2,500 cm2 | 387.500775 in2 |
| 5,000 cm2 | 775.00155 in2 |
| 7,500 cm2 | 1,162.502325 in2 |
| 10,000 cm2 | 1,550.00310001 in2 |
| 25,000 cm2 | 3,875.00775002 in2 |
| 50,000 cm2 | 7,750.01550003 in2 |
| 75,000 cm2 | 11,625.02325005 in2 |
| 100,000 cm2 | 15,500.03100006 in2 |
| 250,000 cm2 | 38,750.07750016 in2 |
Related Units
This table provides a summary of the Area units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| square inches | in2 or sq in | US Customary Units/Imperial System |
| square feet | ft2 or sq ft | US Customary Units/Imperial System |
| square yards | yd2 or sq yd | US Customary Units/Imperial System |
| acres | ac | US Customary Units/Imperial System |
| square miles | mi2 or sq mi | US Customary Units/Imperial System |
| square millimeters | mm2 | Metric System |
| square centimeters | cm2 | Metric System |
| square decimeters | dm2 | Metric System |
| square meters | m2 | Metric System |
| square decameters | dam2 | Metric System |
| square hectometers | hm2 | Metric System |
| hectares | ha | Metric System |
| square kilometers | km2 | Metric System |
Note: For area conversions, US Customary Units and the Imperial System are equivalent.
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