Convert square millimeters to square meters
1 mm² = 0.000001 m². Change the amount below, or read the formula and the reference table further down.
1 square millimeter equals
square meters
1 mm² = 0.000001 m²
The formula
Square millimeters and square meters both measure area from the same zero, so a single multiplier does the job.
m² = mm² × 0.000001
Going the other way? Convert square meters to square millimeters.
Square millimeters to square meters table
Common values, rounded for reading.
| Square millimeters (mm²) | Square meters (m²) |
|---|---|
| 1 | 0.000001 |
| 2 | 0.000002 |
| 3 | 0.000003 |
| 4 | 0.000004 |
| 5 | 0.000005 |
| 6 | 0.000006 |
| 7 | 0.000007 |
| 8 | 0.000008 |
| 9 | 0.000009 |
| 10 | 0.00001 |
| 15 | 0.000015 |
| 20 | 0.00002 |
| 25 | 0.000025 |
| 30 | 0.00003 |
| 40 | 0.00004 |
| 50 | 0.00005 |
| 75 | 0.000075 |
| 100 | 0.0001 |
| 250 | 0.00025 |
| 500 | 0.0005 |
| 1,000 | 0.001 |
Questions people ask
- How many square meters are in a square millimeter?
- One square millimeter equals 0.000001 square meters.
- How do I convert square millimeters to square meters by hand?
- Multiply the number of square millimeters by 0.000001. For a rough check, 0 is close enough for most everyday use.
- What is 1 square millimeter in square meters?
- 1 square millimeter is 0.000001 square meters.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.