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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.
micro μ 0.000 001: 10 −6: nano n ... pico p 0.000 000 000 001: 10 −12: The prefixes of the metric system precede a basic unit of measure to indicate a decadic ...
micro nano pico femto atto zepto yocto ronto quecto; Prefix symbol d c m μ n p f a z y r q Factor 10 0: 10 −1: 10 −2: 10 −3: 10 −6: 10 −9: 10 −12: 10 − ...
Micro satellite: 11 to 200 Nano satellite: 1.1 to 10 Pico satellite: 0.1 to 1 Femto satellite <0.1 One rationale for miniaturizing satellites is to reduce the cost ...
micro u 0.000 001: 10 −6: nano n 0.000 000 001: 10 −9: pico p 0.000 000 000 001: 10 −12: femto f 0.000 000 000 000 001: 10 −15: atto a 0.000 000 000 000 000 001: 10 −18: zepto z 0.000 000 000 000 000 000 001: 10 −21: yocto y 0.000 000 000 000 000 000 000 001: 10 −24
femto-(fC) 1 × 10 −15 C: Charge on a typical dust particle [citation needed] 10 −12: pico-(pC) 1 × 10 −12 C: Charge in typical microwave frequency capacitors [citation needed] 10 −9: nano-(nC) 1 × 10 −9 C: Charge in typical radio frequency capacitors [citation needed] 10 −6: micro-(μC) 1 × 10 −6 C: Charge in typical audio ...
micro μ 10 −6: 0.000 001: nano n 10 −9: 0.000 000 001: pico p 10 −12: 0.000 000 000 001: femto f 10 −15: 0.000 000 000 000 001: atto a 10 −18: 0.000 000 000 000 000 001: zepto: z 10 −21: 0.000 000 000 000 000 000 001: yocto y 10 −24: 0.000 000 000 000 000 000 000 001
femto-(fW) 2.5 × 10 −15: −116 dBm tech: minimum discernible signal at the antenna terminal of a good FM radio receiver 10 −14: 1 × 10 −14: −110 dBm tech: approximate lower limit of power reception on digital spread-spectrum cell phones 10 −12: pico-(pW) 1 × 10 −12: −90 dBm biomed: average power consumption of a human cell: 10 ...