Convert square centimeter (cm²) to square millimeter (mm²).
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Square Millimeter to Square Centimeter Converter (sq mm to sq cm)
Convert square millimeter (mm²) to square centimeter (cm²).Unit Converter · Area
Quick answer
1 square millimeter (sq mm) is equal to 0.01 square centimeters (sq cm). 1 square centimeter (sq cm) is equal to 100 square millimeters (sq mm).
To convert sq mm to sq cm, multiply the value in square millimeters by 0.01 (or divide by 100). For example, 10 sq mm = 0.1 sq cm, and 100 sq mm = 1 sq cm.
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Quick reference — square millimeter to square centimeter
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How to convert square millimeters to square centimeters
How many square centimeters are in a square millimeter? 1 square millimeter is 0.01 square centimeters. This free mm² to cm² converter and square millimeter to square centimeter calculator gives the answer instantly for any value, and the same conversion is also written as square millimetre to square centimetre and sq mm to sq cm.
To convert square millimeter (mm²) to square centimeter (cm²), multiply the value in square millimeters by 0.01, or divide it by 100.
cm² = mm² × 0.01
- 1
Take the value in square millimeters
For example, 25 mm².
- 2
Multiply by 0.01
25 × 0.01.
- 3
Read the answer in square centimeters
25 mm² = 0.25 cm².
Square Millimeter to Square Centimeter conversion table
Common values from 1 to 1,000 square millimeters converted to square centimeters.
| Square Millimeter (mm²) | Square Centimeter (cm²) |
|---|---|
| 1 mm² | 0.01 cm² |
| 2 mm² | 0.02 cm² |
| 3 mm² | 0.03 cm² |
| 4 mm² | 0.04 cm² |
| 5 mm² | 0.05 cm² |
| 6 mm² | 0.06 cm² |
| 7 mm² | 0.07 cm² |
| 8 mm² | 0.08 cm² |
| 9 mm² | 0.09 cm² |
| 10 mm² | 0.1 cm² |
| 15 mm² | 0.15 cm² |
| 20 mm² | 0.2 cm² |
| 25 mm² | 0.25 cm² |
| Square Millimeter (mm²) | Square Centimeter (cm²) |
|---|---|
| 30 mm² | 0.3 cm² |
| 40 mm² | 0.4 cm² |
| 50 mm² | 0.5 cm² |
| 60 mm² | 0.6 cm² |
| 70 mm² | 0.7 cm² |
| 75 mm² | 0.75 cm² |
| 80 mm² | 0.8 cm² |
| 90 mm² | 0.9 cm² |
| 100 mm² | 1 cm² |
| 250 mm² | 2.5 cm² |
| 500 mm² | 5 cm² |
| 1,000 mm² | 10 cm² |
About square millimeters and square centimeters
Square Millimeter (mm²)
A square millimeter (mm²) is a square 1 mm on each side. There are 100 mm² in 1 cm².
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.
mm² to cm²: common questions
- How many square centimeters are in 1 square millimeter?
- 1 square millimeter (sq mm) is equal to 0.01 square centimeters (sq cm). In short: 1 sq mm = 0.01 sq cm.
- How do I convert square millimeters to square centimeters?
- To convert mm² to cm², multiply the value in square millimeters by 0.01 (or divide by 100). For example, 5 mm² = 0.05 cm².
- How do I convert square centimeters to square millimeters?
- To convert cm² to mm², multiply the value in square centimeters by 100. Or open the Square Centimeter to Square Millimeter converter, which does it for you.
- What is 10 mm² in cm², and what is 100 mm²?
- 10 mm² = 0.1 cm², and 100 mm² = 1 cm². The table above lists more values from 1 to 1,000.
- Is this mm² to cm² 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.
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