Square centimeter to Square inch Converter
Convert square centimeters to square inches with this free area converter. The exact relationship used on this page is 1 square centimeter = 0.155000310001 square inches. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Square inch = Square centimeter × 0.155000310001
How to convert square centimeters to square inches
- Enter the value in square centimeters in the converter.
- Read the equivalent amount in square inches.
- Use the swap link if you need square inch to square centimeter instead.
- Check the table for common values without typing.
Worked examples
- 1 cm² = 0.15500031 in²
- 5 cm² = 0.77500155 in²
- 10 cm² = 1.5500031 in²
- 25 cm² = 3.87500775 in²
Conversion table
Common square centimeters values converted to square inches.
| cm² | in² |
|---|---|
| 1 | 0.15500031 |
| 2 | 0.31000062 |
| 3 | 0.46500093 |
| 4 | 0.62000124 |
| 5 | 0.77500155 |
| 6 | 0.93000186 |
| 7 | 1.08500217 |
| 8 | 1.24000248 |
| 9 | 1.39500279 |
| 10 | 1.5500031 |
| 20 | 3.1000062 |
| 50 | 7.7500155 |
| 100 | 15.500031 |
| 250 | 38.7500775 |
| 500 | 77.500155 |
| 1,000 | 155.00031 |
About this conversion
Square centimeter (cm²) and Square inch (in²) are both area units. Area converters help with flooring, land, real estate listings, and fabric. Bookmark this URL when you convert square centimeters to square inches often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the square inch to square centimeter converter.
FAQ
How many square inches are in 1 square centimeter?+
1 square centimeter equals 0.155000310001 square inches.
What is the formula to convert square centimeters to square inches?+
Square inch = Square centimeter × 0.155000310001
How do I convert square centimeters to square inches by hand?+
Multiply the square centimeter value by 0.155000310001. Example: 10 square centimeters × 0.155000310001 = 1.55000310001 square inches.
Is this cm² to in² converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.