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Download as PDF; Printable version; ... micro nano pico femto atto zepto yocto ronto quecto; ... This table defaults to a center position on the page.
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic.Each prefix has a unique symbol that is prepended to any unit symbol.
pico-(pW) 1 × 10 −12: −90 dBm biomed: average power consumption of a human cell: 10 −11: 1.84 × 10 −11: −77 dBm phys: power lost in the form of synchrotron radiation by a proton revolving in the Large Hadron Collider at 7000 GeV [6] 2.9 × 10 −11: −72 dBm astro: power per square meter received from Proxima Centauri, the closest ...
The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the International System of Units (SI), equal to 1 × 10 −12 m, or one trillionth ( 1 / 1 000 000 000 000 ) of a metre, which is the SI base unit of length.
Particle with dimensions between 1 × 10 −7 and 1 × 10 −4 m.. Note 1: The lower limit between micro- and nano-sizing is still a matter of debate.. Note 2: To be consistent with the prefix “micro” and the range imposed by the definition,
Nano (symbol n) is a unit prefix meaning one billionth. Used primarily with the metric system , this prefix denotes a factor of 10 −9 or 0.000 000 001 . It is frequently encountered in science and electronics for prefixing units of time and length .
A unit prefix is a specifier or mnemonic that is added to the beginning of a unit of measurement to indicate multiples or fractions of the units. Units of various sizes are commonly formed by the use of such prefixes.
However, 1935 extensions to the prefix system did not follow this convention: the prefixes nano-and micro-, for example have Greek roots. [16]: 222–223 During the 19th century the prefix myria-, derived from the Greek word μύριοι (mýrioi), was used as a multiplier for 10 000. [17]