Convert square millimeter (mm²) to square centimeter (cm²).
AreaOpen
Square Centimeter to Square Millimeter Converter (sq cm to sq mm)
Convert square centimeter (cm²) to square millimeter (mm²).Unit Converter · Area
Quick answer
1 square centimeter (sq cm) is equal to 100 square millimeters (sq mm). 1 square millimeter (sq mm) is equal to 0.01 square centimeters (sq cm).
To convert sq cm to sq mm, multiply the value in square centimeters by 100. For example, 10 sq cm = 1,000 sq mm, and 100 sq cm = 10,000 sq mm.
Loading chart…
Quick reference — square centimeter to square millimeter
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 inch (in²).
AreaOpenConvert square centimeter (cm²) to square kilometer (km²).
AreaOpenConvert square centimeter (cm²) to square mile (mi²).
AreaOpen
How to convert square centimeters to square millimeters
How many square millimeters are in a square centimeter? 1 square centimeter is 100 square millimeters. This free cm² to mm² converter and square centimeter to square millimeter calculator gives the answer instantly for any value, and the same conversion is also written as square centimetre to square millimetre and sq cm to sq mm.
To convert square centimeter (cm²) to square millimeter (mm²), multiply the value in square centimeters by 100.
mm² = cm² × 100
- 1
Take the value in square centimeters
For example, 25 cm².
- 2
Multiply by 100
25 × 100.
- 3
Read the answer in square millimeters
25 cm² = 2,500 mm².
Square Centimeter to Square Millimeter conversion table
Common values from 1 to 1,000 square centimeters converted to square millimeters.
| Square Centimeter (cm²) | Square Millimeter (mm²) |
|---|---|
| 1 cm² | 100 mm² |
| 2 cm² | 200 mm² |
| 3 cm² | 300 mm² |
| 4 cm² | 400 mm² |
| 5 cm² | 500 mm² |
| 6 cm² | 600 mm² |
| 7 cm² | 700 mm² |
| 8 cm² | 800 mm² |
| 9 cm² | 900 mm² |
| 10 cm² | 1,000 mm² |
| 15 cm² | 1,500 mm² |
| 20 cm² | 2,000 mm² |
| 25 cm² | 2,500 mm² |
| Square Centimeter (cm²) | Square Millimeter (mm²) |
|---|---|
| 30 cm² | 3,000 mm² |
| 40 cm² | 4,000 mm² |
| 50 cm² | 5,000 mm² |
| 60 cm² | 6,000 mm² |
| 70 cm² | 7,000 mm² |
| 75 cm² | 7,500 mm² |
| 80 cm² | 8,000 mm² |
| 90 cm² | 9,000 mm² |
| 100 cm² | 10,000 mm² |
| 250 cm² | 25,000 mm² |
| 500 cm² | 50,000 mm² |
| 1,000 cm² | 1,00,000 mm² |
About square centimeters and square millimeters
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 Millimeter (mm²)
A square millimeter (mm²) is a square 1 mm on each side. There are 100 mm² in 1 cm².
cm² to mm²: common questions
- How many square millimeters are in 1 square centimeter?
- 1 square centimeter (sq cm) is equal to 100 square millimeters (sq mm). In short: 1 sq cm = 100 sq mm.
- How do I convert square centimeters to square millimeters?
- To convert cm² to mm², multiply the value in square centimeters by 100. For example, 5 cm² = 500 mm².
- How do I convert square millimeters to square centimeters?
- To convert mm² to cm², divide the value in square millimeters by 100. Or open the Square Millimeter to Square Centimeter converter, which does it for you.
- What is 10 cm² in mm², and what is 100 cm²?
- 10 cm² = 1,000 mm², and 100 cm² = 10,000 mm². The table above lists more values from 1 to 1,000.
- Is this cm² to mm² 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 Millimeter to Square Centimeter converter →All Area converters →
Customize this calculator
Pick a look, copy the code, and this Square Centimeter to Square Millimeter 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