100 square centimeters to square millimeters
100 cm² = 10,000 mm². Change the amount below, or read the formula and the reference table further down.
100 square centimeters equals
square millimeters
1 cm² = 100 mm²
The formula
Square centimeters and square millimeters both measure area from the same zero, so a single multiplier does the job.
mm² = cm² × 100
Going the other way? Convert square millimeters to square centimeters.
Square centimeters to square millimeters table
Values either side of 100 cm².
| Square centimeters (cm²) | Square millimeters (mm²) |
|---|---|
| 0 | 0 |
| 10 | 1,000 |
| 20 | 2,000 |
| 30 | 3,000 |
| 40 | 4,000 |
| 50 | 5,000 |
| 60 | 6,000 |
| 70 | 7,000 |
| 80 | 8,000 |
| 90 | 9,000 |
| 100 | 10,000 |
| 110 | 11,000 |
| 120 | 12,000 |
| 130 | 13,000 |
| 140 | 14,000 |
| 150 | 15,000 |
| 160 | 16,000 |
| 170 | 17,000 |
| 180 | 18,000 |
| 190 | 19,000 |
| 200 | 20,000 |
Questions people ask
- How many square millimeters are in a square centimeter?
- One square centimeter equals 100 square millimeters.
- How do I convert square centimeters to square millimeters by hand?
- Multiply the number of square centimeters by 100. For a rough check, 100 is close enough for most everyday use.
- What is 100 square centimeters in square millimeters?
- 100 square centimeters is 10,000 square millimeters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.