Convert square inch (in²) to square centimeter (cm²).
AreaOpen
Square Centimeter to Square Inch Converter (sq cm to sq in)
Convert square centimeter (cm²) to square inch (in²).Unit Converter · Area
Quick answer
1 square centimeter (sq cm) is approximately equal to 0.1550003 square inches (sq in). 1 square inch (sq in) is equal to 6.4516 square centimeters (sq cm).
To convert sq cm to sq in, multiply the value in square centimeters by 0.15500031 (or divide by 6.4516). For example, 10 sq cm = 1.5500031 sq in, and 100 sq cm = 15.500031 sq in.
Loading chart…
Quick reference — square centimeter to square inch
More in Area
All Area convertersConvert square centimeter (cm²) to square meter (m²).
AreaOpenConvert square centimeter (cm²) to square foot (ft²).
AreaOpenConvert square centimeter (cm²) to acre (acre).
AreaOpenConvert square centimeter (cm²) to hectare (ha).
AreaOpenConvert square centimeter (cm²) to square yard (yd²).
AreaOpenConvert square centimeter (cm²) to square kilometer (km²).
AreaOpenConvert square centimeter (cm²) to square mile (mi²).
AreaOpenConvert square centimeter (cm²) to square millimeter (mm²).
AreaOpen
How to convert square centimeters to square inches
How many square inches are in a square centimeter? 1 square centimeter is about 0.1550003 square inches. This free cm² to in² converter and square centimeter to square inch calculator gives the answer instantly for any value, and the same conversion is also written as square centimetre to square inch and sq cm to sq in.
To convert square centimeter (cm²) to square inch (in²), multiply the value in square centimeters by 0.15500031, or divide it by 6.4516.
in² = cm² × 0.15500031
- 1
Take the value in square centimeters
For example, 25 cm².
- 2
Multiply by 0.15500031
25 × 0.15500031.
- 3
Read the answer in square inches
25 cm² = 3.87500775 in².
Square Centimeter to Square Inch conversion table
Common values from 1 to 1,000 square centimeters converted to square inches.
| Square Centimeter (cm²) | Square Inch (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 |
| 15 cm² | 2.32500465 in² |
| 20 cm² | 3.1000062 in² |
| 25 cm² | 3.87500775 in² |
| Square Centimeter (cm²) | Square Inch (in²) |
|---|---|
| 30 cm² | 4.6500093 in² |
| 40 cm² | 6.2000124 in² |
| 50 cm² | 7.7500155 in² |
| 60 cm² | 9.3000186 in² |
| 70 cm² | 10.8500217 in² |
| 75 cm² | 11.62502325 in² |
| 80 cm² | 12.4000248 in² |
| 90 cm² | 13.9500279 in² |
| 100 cm² | 15.500031 in² |
| 250 cm² | 38.7500775 in² |
| 500 cm² | 77.500155 in² |
| 1,000 cm² | 155.00031 in² |
About square centimeters and square inches
Square Centimeter (cm²)
A square centimeter (cm²) is a square 1 cm on each side, equal to 100 square millimeters. There are 10,000 cm² in 1 m².
Square Inch (in²)
A square inch (in²) is a square 1 inch on each side, equal to 6.4516 square centimeters.
cm² to in²: common questions
- How many square inches are in 1 square centimeter?
- 1 square centimeter (sq cm) is approximately equal to 0.1550003 square inches (sq in). In short: 1 sq cm ≈ 0.1550003 sq in.
- How do I convert square centimeters to square inches?
- To convert cm² to in², multiply the value in square centimeters by 0.15500031 (or divide by 6.4516). For example, 5 cm² = 0.77500155 in².
- How do I convert square inches to square centimeters?
- To convert in² to cm², multiply the value in square inches by 6.4516. Or open the Square Inch to Square Centimeter converter, which does it for you.
- What is 10 cm² in in², and what is 100 cm²?
- 10 cm² = 1.5500031 in², and 100 cm² = 15.500031 in². The table above lists more values from 1 to 1,000.
- Is this cm² to in² converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
Square Inch to Square Centimeter converter →All Area converters →
Customize this calculator
Pick a look, copy the code, and this Square Centimeter to Square Inch calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.
yoursite.com