• km²   nm²
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Rounding Mode:

The square kilometer is primarily used to quantify large areas of land. Fascinatingly, even though the metric system is standardized almost universally, the square kilometer remains one of the most significant units for various aspects of geography and urban planning. To put it in perspective, consider that the entire area of New York City’s Central Park measures approximately 3.41 square kilometers, which speaks volumes about its massive size within an urban environment.

Moreover, the square kilometer helps highlight the vastness of some of the world’s largest countries and cities. For instance, Russia, the largest country in the world, spans roughly 17 million square kilometers, showcasing the immense diversity and expanse of land that one country can encompass. This unit exemplifies the intriguing contrasts and scales of spaces we interact with globally.

Did you know?

The square nanometer is an incredibly tiny unit of area, often used in the fields of nanotechnology and materials science to measure surfaces at the molecular and atomic levels. To put it into perspective, one square nanometer is a billionth of a millionth of a square meter, or 1e-18 m². This minuscule size allows scientists to study and manipulate individual molecules and atoms, which is vital for innovations in creating advanced materials and medical applications, such as targeted drug delivery systems.

Interestingly, the manipulation of spaces measured in square nanometers is crucial for the development of semiconductors and computer chips. As technology progresses, engineers aim to fit more data onto smaller chips by working within these microscopic confines, demonstrating the importance of understanding and utilizing such diminutive areas. This tiny metric holds the key to powerful advancements in technology that continue to shape our future.

> Kilometers² to Nanometers² Conversion Table

Square Kilometers Square Nanometers
0 km² 0 nm²
0.1 km² 1e+23 nm²
0.2 km² 2e+23 nm²
0.3 km² 3e+23 nm²
0.4 km² 4e+23 nm²
0.5 km² 5e+23 nm²
0.6 km² 6e+23 nm²
0.7 km² 7e+23 nm²
0.8 km² 8e+23 nm²
0.9 km² 9e+23 nm²
1 km² 1e+24 nm²
1.1 km² 1.1e+24 nm²
1.2 km² 1.2e+24 nm²
1.3 km² 1.3e+24 nm²
1.4 km² 1.4e+24 nm²
1.5 km² 1.5e+24 nm²
1.6 km² 1.6e+24 nm²
1.7 km² 1.7e+24 nm²
1.8 km² 1.8e+24 nm²
1.9 km² 1.9e+24 nm²
2 km² 2e+24 nm²
2.1 km² 2.1e+24 nm²
2.2 km² 2.2e+24 nm²
2.3 km² 2.3e+24 nm²
2.4 km² 2.4e+24 nm²
2.5 km² 2.5e+24 nm²
2.6 km² 2.6e+24 nm²
2.7 km² 2.7e+24 nm²
2.8 km² 2.8e+24 nm²
2.9 km² 2.9e+24 nm²
3 km² 3e+24 nm²
3.1 km² 3.1e+24 nm²
3.2 km² 3.2e+24 nm²
3.3 km² 3.3e+24 nm²
3.4 km² 3.4e+24 nm²
3.5 km² 3.5e+24 nm²
3.6 km² 3.6e+24 nm²
3.7 km² 3.7e+24 nm²
3.8 km² 3.8e+24 nm²
3.9 km² 3.9e+24 nm²
4 km² 4e+24 nm²
4.1 km² 4.1e+24 nm²
4.2 km² 4.2e+24 nm²
4.3 km² 4.3e+24 nm²
4.4 km² 4.4e+24 nm²
4.5 km² 4.5e+24 nm²
4.6 km² 4.6e+24 nm²
4.7 km² 4.7e+24 nm²
4.8 km² 4.8e+24 nm²
4.9 km² 4.9e+24 nm²
5 km² 5e+24 nm²
5.1 km² 5.1e+24 nm²
5.2 km² 5.2e+24 nm²
5.3 km² 5.3e+24 nm²
5.4 km² 5.4e+24 nm²
5.5 km² 5.5e+24 nm²
5.6 km² 5.6e+24 nm²
5.7 km² 5.7e+24 nm²
5.8 km² 5.8e+24 nm²
5.9 km² 5.9e+24 nm²
6 km² 6e+24 nm²
6.1 km² 6.1e+24 nm²
6.2 km² 6.2e+24 nm²
6.3 km² 6.3e+24 nm²
6.4 km² 6.4e+24 nm²
6.5 km² 6.5e+24 nm²
6.6 km² 6.6e+24 nm²
6.7 km² 6.7e+24 nm²
6.8 km² 6.8e+24 nm²
6.9 km² 6.9e+24 nm²
7 km² 7e+24 nm²
7.1 km² 7.1e+24 nm²
7.2 km² 7.2e+24 nm²
7.3 km² 7.3e+24 nm²
7.4 km² 7.4e+24 nm²
7.5 km² 7.5e+24 nm²
7.6 km² 7.6e+24 nm²
7.7 km² 7.7e+24 nm²
7.8 km² 7.8e+24 nm²
7.9 km² 7.9e+24 nm²
8 km² 8e+24 nm²
8.1 km² 8.1e+24 nm²
8.2 km² 8.2e+24 nm²
8.3 km² 8.3e+24 nm²
8.4 km² 8.4e+24 nm²
8.5 km² 8.5e+24 nm²
8.6 km² 8.6e+24 nm²
8.7 km² 8.7e+24 nm²
8.8 km² 8.8e+24 nm²
8.9 km² 8.9e+24 nm²
9 km² 9e+24 nm²
9.1 km² 9.1e+24 nm²
9.2 km² 9.2e+24 nm²
9.3 km² 9.3e+24 nm²
9.4 km² 9.4e+24 nm²
9.5 km² 9.5e+24 nm²
9.6 km² 9.6e+24 nm²
9.7 km² 9.7e+24 nm²
9.8 km² 9.8e+24 nm²
9.9 km² 9.9e+24 nm²
10 km² 1e+25 nm²