Square centimeters to Square millimeters Converter
1 square centimeter (cm²) equals 100 square millimeters (mm²).
Quick answer
- 1 square centimeter = 100 square millimeters
- 1 square millimeter = 0.01 square centimeters
- Formula: mm² = cm² × 100
1 square centimeter = 100 square millimeters
How to convert square centimeters to square millimeters
mm² = cm² × 100
To convert square centimeters to square millimeters, multiply the number of square centimeters by 100.
Example: 18 cm² to mm²
- Start with the value in square centimeters: 18 cm².
- Multiply by 100: 18 × 100 = 1,800.
- Result: 18 square centimeters = 1,800 square millimeters.
Going the other way, 1 square millimeter = 0.01 square centimeters, so to convert square millimeters back to square centimeters you divide by the same number. See square millimeters to square centimeters.
Square centimeters to square millimeters conversion table
| Square centimeters (cm²) | Square millimeters (mm²) |
|---|---|
| 0.25 cm² | 25 mm² |
| 0.5 cm² | 50 mm² |
| 0.75 cm² | 75 mm² |
| 1 cm² | 100 mm² |
| 1.5 cm² | 150 mm² |
| 2 cm² | 200 mm² |
| 2.5 cm² | 250 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 |
| 11 cm² | 1,100 mm² |
| 12 cm² | 1,200 mm² |
| 13 cm² | 1,300 mm² |
| 14 cm² | 1,400 mm² |
| 15 cm² | 1,500 mm² |
| 16 cm² | 1,600 mm² |
| 17 cm² | 1,700 mm² |
| 18 cm² | 1,800 mm² |
| 19 cm² | 1,900 mm² |
| 20 cm² | 2,000 mm² |
| 21 cm² | 2,100 mm² |
| 22 cm² | 2,200 mm² |
| 23 cm² | 2,300 mm² |
| 24 cm² | 2,400 mm² |
| 25 cm² | 2,500 mm² |
| 26 cm² | 2,600 mm² |
| 27 cm² | 2,700 mm² |
| 28 cm² | 2,800 mm² |
| 29 cm² | 2,900 mm² |
| 30 cm² | 3,000 mm² |
| 31 cm² | 3,100 mm² |
| 32 cm² | 3,200 mm² |
| 33 cm² | 3,300 mm² |
| 34 cm² | 3,400 mm² |
| 35 cm² | 3,500 mm² |
More cm² to mm² values
What is a square centimeter?
The square centimeter is the area of a square one centimeter on each side, one ten-thousandth of a square meter and about 0.155 square inches.
What is a square millimeter?
The square millimeter is one millionth of a square meter.
Convert square centimeters to other units
- Square centimeters to square meters
- Square centimeters to square feet
- Square centimeters to acres
- Square centimeters to hectares
- Square centimeters to square kilometers
- Square centimeters to square miles
- Square centimeters to square yards
- Square centimeters to square inches
- Square centimeters to pyeong
- Square centimeters to bighas
- All square centimeter conversions →
Convert other units to square millimeters
- Square meters to square millimeters
- Square feet to square millimeters
- Acres to square millimeters
- Hectares to square millimeters
- Square kilometers to square millimeters
- Square miles to square millimeters
- Square yards to square millimeters
- Square inches to square millimeters
- Pyeong to square millimeters
- Bighas to square millimeters
- All square millimeter conversions →
Frequently asked questions
How many square millimeters are in a square centimeter?
One square centimeter is 100 square millimeters.
How many square centimeters are in a square millimeter?
One square millimeter is 0.01 square centimeters.
What is the formula to convert square centimeters to square millimeters?
mm² = cm² × 100.