Convert square millimeters to square kilometers
Accurate tool to convert between mm² and km²
Area
Square millimeters
The square millimeter is a metric unit of area equal to a square with 1mm sides.
Square kilometers
The square kilometer is a metric unit of area equal to one million square meters.
Formula
To convert from mm2 to square kilometers, divide the area by 1,000,000,000,000.
mm2 (mm2)
Description
The square millimeter is a metric unit of area equal to a square with 1mm sides.
History
Derived from the millimeter.
Symbol Origin
Square of 'millimeter'.
Usage Context
Used for very small areas, like wires or microscopic objects.
Main Usage
Did you know?
The head of a pin is about 2-3 mm².
square kilometers (km2)
Description
The square kilometer is a metric unit of area equal to one million square meters.
History
Derived from the kilometer. Used for large scale geographical measurements.
Symbol Origin
Square of 'kilometer'.
Usage Context
Used for measuring countries, cities, and lakes.
Main Usage
Did you know?
Vatican City, the smallest country in the world, is only 0.44 km².
Quick Conversion Table
| mm2 (mm2) | square kilometers (km2) |
|---|---|
| 1 | 0. |
| 2 | 0. |
| 5 | 0. |
| 10 | 0. |
| 25 | 0. |
| 50 | 0.0000000001 |
| 100 | 0.0000000001 |
| 500 | 0.0000000005 |
| 1000 | 0.000000001 |
| 2500 | 0.0000000025 |
| 5000 | 0.000000005 |
| 10000 | 0.00000001 |
Frequently Asked Questions
How to convert mm2 to square kilometers?
To convert from mm2 to square kilometers, divide the area by 1,000,000,000,000.
How many square kilometers in 1 mm2?
1 mm2 is equal to 0. square kilometers.
What is a mm2?
The square millimeter is a metric unit of area equal to a square with 1mm sides.
What is a square kilometers?
The square kilometer is a metric unit of area equal to one million square meters.