The picometer(pm) is a unit of measurement of length in the International System of Units (SI). One picometer is 0.001 nanometers or one trillionth of a meter.
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Due to its extremely small size, the picometer is often used in physics and chemistry to describe extremely short distances, such as the size of atoms or molecules. In this article, we will look at how to convert picometers into some other common units of length.
Conversion to SI units
- Picometer (pm) to nanometer (nm)
- 1 nm = 1,000 pm
- Picometer (pm) to micrometer (µm)
- 1 µm = 1,000,000 pm
- Picometer (pm) in millimeters (mm)
- 1 mm = 1,000,000,000,000 pm
- Picometer (pm) in meters (m)
- 1 m = 1,000,000,000,000,000 pm
Conversion to non-SI units
Picometer (pm) in angstroms (Å)
- 1 Å = 100 pm
Picometer (pm) in inches (in)
- 1 in = 25,400,000,000,000 pm
Picometer (pm) in feet (ft)
- 1 ft = 304,800,000,000,000 pm
Example: Converting picometers to angstroms and inches
If you want to convert 4,500 pm to angstroms and inches, proceed as follows:
Conversion to angstroms: 4,500 pm × (1 A˚ / 100 pm) = 45 A˚
Conversion to inches: 4,500 pm × (1 in / 25,400,000,000,000 pm) = 0.000000000177 in
Conclusion
The picometer is a very small unit and is mainly used in the natural sciences. Conversion to other units can seem complex due to the large numbers involved, but with the correct conversion factors it is easy to do. It is always helpful to have a clear idea of the order of magnitude of the different units in order to use them sensibly in the right contexts.