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2. Micrometre - Wikipedia

   en.wikipedia.org/wiki/Micrometre

   The micrometre (Commonwealth English as used by the International Bureau of Weights and Measures; [1] SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, [2] is a unit of length in the International System of Units (SI) equalling 1 × 10 −6 metre (SI standard prefix "micro-" = 10 −6); that is, one millionth of a metre (or one thousandth of a ...

3. Orders of magnitude (length) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(length)

   The decimetre (SI symbol: dm) is a unit of length in the metric system equal to 10 −1 metres (⁠ 1 / 10 ⁠ m = 0.1 m). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).

4. Template:Convert/list of units/length/short list - Wikipedia

   en.wikipedia.org/wiki/Template:Convert/list_of...

   Length (system unit unit-code symbol or abbrev. notes sample default conversion combination output units SI: megametre: Mm Mm US spelling: megameter 1.0 Mm (620 mi) kilometre

5. Template:Convert/list of units/length - Wikipedia

   en.wikipedia.org/wiki/Template:Convert/list_of...

   Length; system unit code (other) symbol or abbrev. notes conversion factor/m combinations SI: gigametre: Gm Gm US spelling: gigameter 1.0 Gm (620,000 mi) megametre: Mm Mm US spelling: megameter

6. Micrometer (device) - Wikipedia

   en.wikipedia.org/wiki/Micrometer_(device)

   Modern micrometer with a reading of 1.639 ± 0.005 mm. Assuming no zero error, this is also the measurement. (One may need to enlarge the image to read it.) Outside, inside, and depth micrometers. The outside micrometer has a unit conversion chart between fractional and decimal inch measurements etched onto the frame

7. List of metric units - Wikipedia

   en.wikipedia.org/wiki/List_of_metric_units

   The statwatt (statW) is a unit of power equal to 1 statV⋅statA, which is equal to 100 nW. [6] The statcoulomb (statC) or franklin (Fr) is a unit of electric charge equal to 1 dyn 1/2 ⋅cm, corresponding to ~ 333.564 pC. The statampere (statA) is a unit of electric current equal to 1 statC/s, corresponding to ~ 333.564 pA.

8. Metric system - Wikipedia

   en.wikipedia.org/wiki/Metric_system

   Since all gases have the same volume per mole at a given temperature and pressure far from their points of liquefaction and solidification (see Perfect gas), and air is about ⁠ 1 / 5 ⁠ oxygen (molecular mass 32) and ⁠ 4 / 5 ⁠ nitrogen (molecular mass 28), the density of any near-perfect gas relative to air can be obtained to a good ...

9. List of physical quantities - Wikipedia

   en.wikipedia.org/wiki/List_of_physical_quantities

   Measure for how easily current flows through a material siemens (S = Ω −1) L −2 M −1 T 3 I 2: scalar Electrical conductivity: σ: Measure of a material's ability to conduct an electric current S/m L −3 M −1 T 3 I 2: scalar Electric potential: φ: Energy required to move a unit charge through an electric field from a reference point ...