Meters to Nanometers
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1 meter (m) = 1000000000 nanometer (nm). Meter (m) is a unit of Length used in Metric system. Nanometer (nm) is a unit of Length used in Metric system.

Meter - Unit of Distance / Length

Unit Symbol / Abbreviation: m

Where the unit used in the World:

The meter is used as a unit to measure medium distances or lengths.
It's a standard measure for short distances (up to 1 km long), in real estate and construction, supply materials, vehicle and aircraft dimensions, short geographical distances and directions in most countries excluding the USA where foot and yard are still widely used for this purpose.
The meter is widely used in most countries and is the official unit for medium lengths and distances (for example, road signs in continental Europe show maximum vehicle hight in meters). Primary exceptions are the United States of America, and some countries where feet and yards are used in limited extent: the United Kingdom and Canada, where the yard remains in limited use as a part of imperial system (for example, yards are used on road signs for shorter distances in the United Kingdom and feet are widely used in construction and real estate in Canada).

Definition of the Unit:

The meter (metre in UK spelling) is a unit of length/distance in the metric system (SI Unit system) equivalent to the length of the path travelled by light during a time interval of 1/299,792,458 of a second (in vacuum, defined since 1983).

1 m is equivalent to 3.28084 ft or 0.000621371 miles.

History of the Unit:

As a result of the French Revolution in 1789, the old units of measure that were associated with the monarchy were replaced by the new units. The new unit of length was introduced which became known as the meter. In 1795 the meter was defined as 1/10,000,000 part of the quarter of a meridian, passing through Paris. The meter gained popularity in continental Europe during the nineteenth century, particularly in scientific field, and was officially adopted as an international measurement unit in 1875. In 1960 the meter was defined as 1,650,763.73 wavelengths of light from a specified transition in krypton-86. In 1983 the final definition of meter was accepted as length of the path travelled by light in a vacuum in 1/299,792,458 of a second.

Where it's used:

The meter is commonly used in different trades and industries (for examle in machinery manufacturing), on road signs to indicate vehicle hight limits, the distance to short travel to a given location (for example in automotive GPS navigation voice prompts), on maps to indicate small scale, for vehicle, vessels and aircragt dimensions in industry and trade. It is also the most popular unit for describing the retail estate distances and measurements (room sizes, floor measurements and so on).

Equivalents in other units and scales:

• 1 m = 1000 millimeters (mm)
• 1 m = 100 centimeters (cm)
• 1 m = 10 decimeters (dm)
• 1 m = 0.001 kilometers (km)
• 1 m = 3.28084 feet (ft)
• 1 megameter = 1000000 m
• 1 gigameter = 1000000000 m
• Units of length in the metric SI system are based on multiples or fractions of a meter.
• There are measurements of length/distance in the metric SI system greater than a meter that can be expressed in terms of metres.

1 m is equivalent to 3.28084 ft or 1.09361 yd.

The meter is a unit of length in the metric SI system and is equivalent to the length of the path travelled by light during a time interval of 1/299,792,458 of a second (in vacuum, defined since 1983).

Nanometer: A Unit of Length

Definition of the Nanometer

A nanometer or nanometre (international spelling) is a unit of length in the International System of Units (SI), equal to one billionth (short scale) of a meter (0.000 000 001 m) and to 1000 picometres. One nanometer can be expressed in scientific notation as 1 × 10-9 m, and as 1/1 000 000 000 metres.

History of the Nanometer

The nanometer was formerly known as the millimicrometre - or, more commonly, the millimicron for short - since it is 1/1000 of a micrometre, and was often denoted by the symbol mµ or, more rarely, as µµ. The name combines the SI prefix nano- (from the Ancient Greek nanos, “dwarf”) with the parent unit name metre (from Greek metron, “unit of measurement”).

The nanometer was first used in the late 19th century by scientists who studied light and optics, such as Lord Rayleigh and Albert Michelson. They used interferometers to measure wavelengths of light in nanometers. In the early 20th century, the nanometer was also used by physicists who studied atomic and molecular structures, such as Ernest Rutherford and Niels Bohr. They used spectroscopy and scattering experiments to determine the sizes and distances of atoms and molecules in nanometers. In the mid-20th century, the nanometer was also used by chemists and biologists who studied colloids and macromolecules, such as The Svedberg and Linus Pauling. They used ultracentrifuges and X-ray diffraction to measure the sizes and shapes of particles and polymers in nanometers.

In the late 20th century, the nanometer became more widely used as a result of the development of nanotechnology, which is the manipulation of matter at the nanoscale. Nanotechnology involves various fields of science and engineering, such as electronics, materials, medicine, energy and environment. Nanotechnology enables the creation of new devices and systems with novel properties and functions that depend on their nanoscale dimensions.

How to Convert Nanometer

To convert nanometer to other units of length, one can use the following conversion factors:

• 1 nanometer = 10^-9 meter
• 1 nanometer = 10^-6 millimeter
• 1 nanometer = 10^-3 micrometer
• 1 nanometer = 10 angstrom
• 1 nanometer = 3.937 × 10^-8 inch
• 1 nanometer = 3.281 × 10^-9 foot

To convert other units of length to nanometer, one can use the inverse of these conversion factors.

Where Nanometer is Used

The nanometer is often used to express dimensions on an atomic scale and mostly in the molecular scale. For example:

• The diameter of a helium atom is about 0.06 nm
• The diameter of a water molecule is about 0.28 nm
• The thickness of a DNA strand is about 2 nm
• The diameter of a ribosome is about 20 nm
• The thickness of a cell membrane is about 10 nm

The nanometer is also commonly used to specify the wavelength of electromagnetic radiation near the visible part of the spectrum: visible light ranges from around 400 to 700 nm. For example:

• The wavelength of violet light is about 400 nm
• The wavelength of green light is about 550 nm
• The wavelength of red light is about 700 nm

The nanometer is also used to describe typical feature sizes in successive generations of the ITRS Roadmap for miniaturized semiconductor device fabrication in the semiconductor industry. For example:

• The transistor gate length in Intel’s Pentium processor (1993) was about 800 nm
• The transistor gate length in Intel’s Core processor (2006) was about 65 nm
• The transistor gate length in Intel’s Tiger Lake processor (2020) was about 10 nm

The nanometer is used in different countries for different applications, depending on their level of development and innovation in nanotechnology. For example:

• In Japan, nanotechnology is used for improving the performance and efficiency of solar cells, batteries, fuel cells, sensors, and displays.
• In China, nanotechnology is used for developing new materials, such as carbon nanotubes, graphene, and nanocomposites, for various industries, such as aerospace, automotive, and textile.
• In India, nanotechnology is used for addressing social and environmental challenges, such as water purification, health care, agriculture, and energy.

Example Conversions of Nanometer to Other Units

Here are some example conversions of nanometer to other units of length:

• 1 nm = 10^-9 m
• 10 nm = 10^-8 m
• 100 nm = 10^-7 m
• 1000 nm = 10^-6 m = 1 µm
• 10 000 nm = 10^-5 m = 10 µm
• 100 000 nm = 10^-4 m = 100 µm
• 1 000 000 nm = 10^-3 m = 1 mm