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| Square Millimeters (mm²) | Square Kilometers (km²) |
|---|---|
| 1 sqmm | 1.0000e-12 sqkm |
| 5 sqmm | 5.0000e-12 sqkm |
| 10 sqmm | 1.0000e-11 sqkm |
| 25 sqmm | 2.5000e-11 sqkm |
| 50 sqmm | 5.0000e-11 sqkm |
| 100 sqmm | 1.0000e-10 sqkm |
| 250 sqmm | 2.5000e-10 sqkm |
| 500 sqmm | 5.0000e-10 sqkm |
| 1,000 sqmm | 1.0000e-9 sqkm |
💡 Tip: Bookmark this page for quick reference to common Square Millimeters (mm²) to Square Kilometers (km²) conversions.
Formula:
sqkm = sqmm × 1.000000e-12To convert Square Millimeters (mm²) to Square Kilometers (km²), multiply the value by 1.000000e-12.
Example:
10 sqmm × 1.000000e-12
= 1.0000e-11 sqkm
Quick Tip
1 hectare equals 10,000 square meters or about 2.47 acres.
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