Convert Square Kilometer to Square Nanometer
Square Kilometer
The square kilometer (km²) is a unit of area in the metric system, equal to the area of a square with sides that are each 1 kilometer long. One square kilometer is equivalent to 1,000,000 square meters or 100 hectares. It is commonly used to measure large areas, such as the size of cities, countries, and geographical regions.
The square kilometer is derived from the kilometer, which is a unit of length in the metric system. The kilometer itself was introduced in the 18th century as part of the metric system, based on the meter, which was originally defined as one ten-millionth of the distance from the North Pole to the equator. The square kilometer, like other area units in the metric system, is based on the square of the unit of length. As the metric system became more widely adopted worldwide, the square kilometer became a standard unit for measuring large areas, particularly in geography, urban planning, and land management.
Square Nanometer
The square nanometer (nm²) is a unit of area in the metric system, equal to the area of a square with sides that are each 1 nanometer long. One square nanometer is equivalent to 1/1,000,000,000th of a square millimeter or 10⁻¹⁸ square meters. It is commonly used to measure extremely small areas, such as the surface area of nanoparticles, molecular structures, or at the atomic scale.
The square nanometer is derived from the nanometer, a unit of length in the metric system. The nanometer is one billionth of a meter (10⁻⁹ meters) and was introduced as part of the metric system to measure very small lengths at the atomic and molecular level. The square nanometer, being the square of the nanometer, is used to measure areas at the microscopic or nanoscopic scale. With the advancement of nanotechnology, materials science, and molecular biology, the square nanometer has become a critical unit for describing the properties of materials and structures at the nanoscale.
Convert Square Kilometer to other area-converter units
1 Square Kilometer = 1000000 Square Meter
1 Square Kilometer = 1 Square Kilometer
1 Square Kilometer = 10000000000 Square Centimeter
1 Square Kilometer = 1000000000000 Square Millimeter
1 Square Kilometer = 1e+24 Square Nanometer
1 Square Kilometer = 1000000000000000000 Square Micrometer
1 Square Kilometer = Hectare
1 Square Kilometer = Acre
1 Square Kilometer = 0.3861021585 Square Mile
1 Square Kilometer = 1195990.0463 Square Yard
1 Square Kilometer = 10763910.417 Square Feet
1 Square Kilometer = 1550003100 Square Inch