Square Kilometers to Square Millimeters
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sqkm
sqmm
Quick reference
| Square Kilometers (sqkm) | Square Millimeters (sqmm) |
|---|
Formula
Square Millimeters = square kilometers × 1000000000000
Multiply the square kilometers value by 1000000000000 to get square millimeters. To reverse — divide square millimeters by 1000000000000 to get square kilometers.
About this conversion
The square kilometer (km²) is a metric unit of area equal to one million square meters. Learn more →
The square millimeter (mm²) is a metric unit of area equal to 0.000001 square meters, used in electronics and precision engineering. Learn more →
Source: NIST International Reference