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The nanometer (symbol: nm) or nanometre (British spelling) is a unit of length in the metric system, equal to one billionth of a meter (0.000000001 m). The name combines ..more definition+
In relation to the base unit of [length] => (meters), 1 Nanometers (nm) is equal to 1.0E-9 meters, while 1 Petameters (Pm) = 1000000000000000 meters.| 645 Nanometers | to common length units |
|---|---|
| 645 nm | = 6.45E-7 meters (m) |
| 645 nm | = 6.45E-10 kilometers (km) |
| 645 nm | = 6.45E-5 centimeters (cm) |
| 645 nm | = 2.1161417322835E-6 feet (ft) |
| 645 nm | = 2.5393700787402E-5 inches (in) |
| 645 nm | = 7.0538057742782E-7 yards (yd) |
| 645 nm | = 4.0078441899308E-10 miles (mi) |
| 645 nm | = 6.817461156326E-23 light years (ly) |
| 645 nm | = 0.0024377955827144 pixels (PX) |
| 645 nm | = 4.03125E+28 planck length (pl) |