Convert Square Centimeter to Square Inch
Convert Square Centimeter to Square Inch instantly. 1 cm² = 0.155 in². Formula, worked examples and a quick reference table.
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One square centimeter equals 0.155 square inch. To convert any number of square centimeters to square inchs, multiply by 0.15500031.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Square Centimeter to Square Inch formula
To go the other way, use square centimeter = square inch ÷ 0.15500031.
Square Centimeter to Square Inch conversion table
| Square Centimeter | Square Inch |
|---|---|
| 1 cm² | 0.155 in² |
| 2 cm² | 0.31 in² |
| 3 cm² | 0.465 in² |
| 5 cm² | 0.775 in² |
| 10 cm² | 1.55 in² |
| 20 cm² | 3.1 in² |
| 25 cm² | 3.875 in² |
| 50 cm² | 7.75 in² |
| 100 cm² | 15.5 in² |
| 250 cm² | 38.7501 in² |
| 500 cm² | 77.5002 in² |
| 1,000 cm² | 155.0003 in² |
Frequently asked questions
How many square inchs are in a square centimeter? +
There are 0.155 square inchs in one square centimeter.
What is 10 cm² in in²? +
10 cm² equals 1.55 in². Multiply 10 by 0.15500031.
How do I convert square inch back to square centimeter? +
Use square centimeter = square inch ÷ 0.15500031. The converter above handles both directions, or see our dedicated Square Inch to Square Centimeter page.